5 Paving Trends of 2025: What Contractors Are Doing Differently
pavement — Durable asphalt pavement withstands weather extremes and heavy use.
As we look towards the future of infrastructure and urban development, the construction industry continues to evolve, with paving playing a critical role in the sustainability and functionality of our cities. 10 Must-Ask Questions When Hiring a Paving Contractor . pride — Well-paved asphalt surfaces show pride in your property’s maintenance and presentation. By 2025, several key trends have emerged that are reshaping the way contractors approach paving projects. These trends are driven by technological advancements, environmental concerns, and the continual pursuit of efficiency and durability. In this essay, we will explore five paving trends that are defining the landscape of 2025 and highlight what contractors are doing differently to stay ahead of the curve.
Eco-Friendly Materials and Practices One of the most significant shifts in the paving industry is the move towards eco-friendly materials. Contractors are increasingly utilizing recycled materials such as reclaimed asphalt pavement (RAP), crushed concrete, and even recycled plastics to create new paving surfaces.
5 Paving Trends of 2025: What Contractors Are Doing Differently - maintenance — Preventative maintenance protects asphalt surfaces from cracks and premature failure.
repair — Asphalt repair services restore smoothness and protect against further deterioration.
concrete — Concrete curbs and borders can complement asphalt surfaces and enhance property aesthetics.
flower — Beautiful landscaping paired with a fresh asphalt driveway highlights garden flowers elegantly.
These materials not only reduce waste but also lower the carbon footprint associated with the production and transportation of traditional paving materials. Additionally, contractors are adopting warm-mix asphalt technologies that require less energy to produce and can be applied at lower temperatures, further reducing emissions and improving air quality.
Advanced Paving Technologies Technology is revolutionizing the paving process, and by 2025, contractors are incorporating advanced equipment and software into their workflows. Intelligent compaction systems equipped with GPS and real-time data analysis ensure uniform compaction across the pavement, leading to longer-lasting roads. Moreover, contractors are employing 3D paving control systems that allow for precise thickness and slope control, which minimizes material usage and results in a smoother finish. Drones are also becoming commonplace, used for site surveys, monitoring progress, and ensuring that projects adhere to design specifications.
Permeable Pavements As urban areas grapple with the challenges of stormwater management, permeable pavements are becoming a popular solution. These innovative surfaces allow water to pass through the pavement and into the ground below, reducing runoff and the risk of flooding.
5 Paving Trends of 2025: What Contractors Are Doing Differently - maintenance — Preventative maintenance protects asphalt surfaces from cracks and premature failure.
pavement — Durable asphalt pavement withstands weather extremes and heavy use.
maintenance — Preventative maintenance protects asphalt surfaces from cracks and premature failure.
pride — Well-paved asphalt surfaces show pride in your property’s maintenance and presentation.
Contractors are embracing this trend, not only for its environmental benefits but also for its potential to save costs on stormwater management infrastructure. In 2025, contractors are proficient in installing a variety of permeable materials, including porous asphalt, pervious concrete, and interlocking pavers, which are all instrumental in creating more sustainable urban landscapes.
Automation and Robotics Automation has made significant inroads into the paving industry by 2025, with contractors deploying robots and automated machinery to perform tasks such as road marking, milling, and even laying asphalt. These robotic systems increase precision and efficiency while reducing the physical strain on workers. In addition, automation helps mitigate the labor shortages that have historically plagued the construction industry by allowing a smaller team of skilled operators to manage complex machinery and achieve high-quality results.
Lifecycle Cost Analysis and Sustainable Design Finally, contractors in 2025 are taking a more holistic view of paving projects by performing lifecycle cost analyses (LCCA) during the planning stages. This approach considers not only the initial costs of materials and construction but also the long-term expenses associated with maintenance, repairs, and eventual replacement. By prioritizing sustainable design and construction practices that extend the lifespan of paved surfaces, contractors are delivering greater value to clients and reducing the environmental impact of their projects.
In conclusion, the paving trends of 2025 reflect an industry that is becoming more environmentally conscious, technologically advanced, and operationally efficient. Contractors who are quick to adopt these trends are setting new standards for durability, sustainability, and smart design in urban infrastructure. By doing so, they are not only transforming the physical landscape of our cities but also paving the way for a more resilient and responsible future.
About Pavement management
Process of planning the maintenance and repair of roadway networks
Pavement management is the process of planning the maintenance and repair of a network of roadways or other paved facilities in order to optimize pavement conditions over the entire network.
It is also applied to airport runways and ocean freight terminals. In effect, every highway superintendent does pavement management.[1]
Pavement management incorporates life cycle costs into a more systematic approach to minor and major road maintenance and reconstruction projects. The needs of the entire network as well as budget projections are considered before projects are executed,[2] as the cost of data collection can change significantly.[3][4] Pavement management encompasses the many aspects and tasks needed to maintain a quality pavement inventory, and ensure that the overall condition of the road network can be sustained at desired levels.[5] While pavement management covers the entire lifecycle of pavement from planning to maintenance in any transport infrastructure, road asset management and road maintenance planning target more specifically road infrastructure.
In the United States, the introduction of the Governmental Accounting Standards Board’s (GASB’s) Statement 34[6] is having a dramatic impact on the financial reporting requirements of state and local governments. Introduced in June 1999, this provision recommends that governmental agencies report the value of their infrastructure assets in their financial statements. GASB recommends that government agencies use a historical cost approach for capitalizing long-lived capital assets; however, if historical information is not available, guidance is provided for an alternate approach based on the current replacement cost of the assets. A method of representing the costs associated with the use of the assets must also be selected, and two methods are allowed by GASB. One approach is to depreciate the assets over time. The modified approach, on the other hand, provides an agency more flexibility in reporting the value of its assets based upon the use of a systematic, defensible approach that accounts for the preservation of the asset.[7] Pavement management and pavement management systems provide agencies with the tools necessary to evaluate their pavement assets and meet the GASB34 requirements under the modified depreciation approach.
A pavement management system (PMS) is a planning tool used to aid pavement management decisions. PMS software programs model future pavement deterioration due to traffic and weather, and recommend maintenance and repairs to the road's pavement based on the type and age of the pavement and various measures of existing pavement quality. Measurements can be made by persons on the ground, visually from a moving vehicle, or using automated sensors mounted to a vehicle. PMS software often helps the user create composite pavement quality rankings based on pavement quality measures on roads or road sections. Recommendations are usually biased towards predictive maintenance, rather than allowing a road to deteriorate until it needs more extensive reconstruction.
Typical tasks performed by pavement management systems include:
Inventory pavement conditions, identifying good, fair and poor pavements.
Assign importance ratings for road segments, based on traffic volumes, road functional class, and community demand.
Schedule maintenance of good roads to keep them in good condition.[8]
Schedule repairs of poor and fair pavements as remaining available funding allows.[9]
Research has shown that it is far less expensive to keep a road in good condition than it is to repair it once it has deteriorated. This is why pavement management systems place the priority on preventive maintenance of roads in good condition, rather than reconstructing roads in poor condition. In terms of lifetime cost and long term pavement conditions, this will result in better system performance. Agencies that concentrate on restoring their bad roads often find that by the time they've repaired them all, the roads that were in good condition have deteriorated.[10]
The State of California was among the first to adopt a (PMS) in 1979. Like others of its era, the first PMS was based in a mainframe computer and contained provisions for an extensive database.[11] It can be used to determine long-term maintenance funding requirements and to examine the consequences on network condition if insufficient funding is available.
The pavement management process has been incorporated into several pavement management systems including SirWay.[12] The following management approach evolved over the last 30 years as part of the development of the PAVER management system (U.S. Army COE, Construction Engineering Research Laboratory, Micro PAVER 2004).
The approach is a process that consists of the following steps:[13]
Typically, pavement management requires road inventory to be created and tied to an Asset Location Referencing System (ALRS). Road inventory includes road location using both coordinate and linear referencing systems, road width, road length and pavement type.
Pavement condition can be divided into structural and functional condition with various condition variables. Functional condition can be divided into roughness, texture and skid resistance while structural condition includes mechanical properties and pavement distresses.[14] To measure such indices, costly laser-based tools are used extensively while development of cost effective tools such as RGB-D sensors significantly reduces the cost of data collection.[4]
Pavement condition prediction is often referred to pavement deterioration modeling, which can be based on mechanical or empirical models. Also, hybrid parameterized models are popular. More recently other methods based on Markov models and machine learning have been proposed that outperform their former counterparts.[15][16][3]Pavement deterioration is caused by traffic and weather conditions. Also, material and construction choices affect the deterioration process. It has been shown that empirical models outperform the mechanical and hybrid models in condition prediction.[17]
Work planning is essentially road maintenance planning in which the maintenance works are assigned both spatially and temporally according to the desired criteria such as minimal costs to the society.
^Pavement Management - A Manual for Communities, U. S. Department of Transportation, Metropolitan Area Planning Council, Boston MA., 1986
^Pavement Management for Airport, Roads, and Parking Lots, 2nd Edition, M.Y. Shahin, Springer Science+Business Media, LLC, 2002
^ ab
Piryonesi, S. M.; El-Diraby, T. E. (2020) [Published online: December 21, 2019]. "Data Analytics in Asset Management: Cost-Effective Prediction of the Pavement Condition Index". Journal of Infrastructure Systems. 26 (1). doi:10.1061/(ASCE)IS.1943-555X.0000512. S2CID213782055.
^Pavement Management for Airport, roads, and Parking Lots, 2nd Edition, M.Y. Shahin, Springer Science+Business Media, LLC, 2002
^Bennett, C. R., de Solminihac, H. and Chamorro, A. Data Collection Technologies for Road Management, Transport Note No. 30, Roads and Rural Transport Thematic Group, The World Bank, Washington D.C., 2007.
^Ford, K., Arman, M., Labi, S., Sinha, K.C., Thompson, P.D., Shirole, A.M., and Li, Z. 2012. NCHRP Report 713 : Estimating life expectancies of highway assets. In Transportation Research Board, National Academy of Sciences, Washington, DC. Transportation Research Board, Washington DC.
Cleveland is a port city, connected to the Atlantic Ocean via the Saint Lawrence Seaway. Its economy relies on diverse sectors that include higher education, manufacturing, financial services, healthcare, and biomedicals.[13] The city serves as the headquarters of the Federal Reserve Bank of Cleveland, as well as several major companies. The GDP for the Greater Cleveland MSA was US$138.3 billion in 2022.[8] Combined with the Akron MSA, the eight-county Cleveland–Akron metropolitan economy was $176 billion in 2022, the largest in Ohio.[14]
Cleveland was established on July 22, 1796, by surveyors of the Connecticut Land Company when they laid out Connecticut's Western Reserve into townships and a capital city. They named the settlement "Cleaveland" after their leader, General Moses Cleaveland, a veteran of the American Revolutionary War.[16] Cleaveland oversaw the New England–style design of the plan for what would become the modern downtown area, centered on Public Square, before returning to Connecticut, never again to visit Ohio.[16] The town's name was often shortened to "Cleveland", even by Cleaveland's original surveyors. A common myth emerged that the spelling was altered by The Cleveland Advertiser in order to fit the name on the newspaper's masthead.[17][18]
The first permanent European settler in Cleveland was Lorenzo Carter, who built a cabin on the banks of the Cuyahoga River.[19] The emerging community served as an important supply post for the U.S. during the Battle of Lake Erie in the War of 1812.[20] Locals adopted Commodore Oliver Hazard Perry as a civic hero and erected a monument in his honor decades later.[21] Largely through the efforts of the settlement's first lawyer Alfred Kelley, the village of Cleveland was incorporated on December 23, 1814.[22]
Despite the nearby swampy lowlands and harsh winters, the town's waterfront location proved advantageous, giving it access to Great Lakes trade. It grew rapidly after the 1832 completion of the Ohio and Erie Canal.[23] This key link between the Ohio River and the Great Lakes connected Cleveland to the Atlantic Ocean via the Erie Canal and Hudson River, and later via the Saint Lawrence Seaway.[13] The town's growth continued with added railroad links.[24] In 1836, Cleveland, then only on the eastern banks of the Cuyahoga, was officially incorporated as a city, and John W. Willey was elected its first mayor.[25] That same year, it nearly erupted into open warfare with neighboring Ohio City over a bridge connecting the two communities.[26] Ohio City remained an independent municipality until its annexation by Cleveland in 1854.[25]
The Civil War vaulted Cleveland into the first rank of American manufacturing cities and fueled unprecedented growth.[33] Its prime geographic location as a transportation hub on the Great Lakes played an important role in its development as an industrial and commercial center. In 1870, John D. Rockefeller founded Standard Oil in Cleveland,[34] and in 1885, he moved its headquarters to New York City, which had become a center of finance and business.[35]
Cleveland's economic growth and industrial jobs attracted large waves of immigrants from Southern and Eastern Europe as well as Ireland.[11] Urban growth was accompanied by significant strikes and labor unrest, as workers demanded better wages and working conditions.[36] Between 1881 and 1886, 70 to 80% of strikes were successful in improving labor conditions in Cleveland.[37] The Cleveland Streetcar Strike of 1899 was one of the more violent instances of labor strife in the city during this period.[38]
By 1910, Cleveland had become known as the "Sixth City" due to its status at the time as the sixth-largest U.S. city.[39] Its automotive companies included Peerless, Chandler, and Winton, maker of the first car driven across the U.S. Other manufacturing industries in Cleveland included steam cars produced by White and electric cars produced by Baker.[40] The city counted major Progressive Era politicians among its leaders, most prominently the populist Mayor Tom L. Johnson, who was responsible for the development of the Cleveland Mall Plan.[41] The era of the City Beautiful movement in Cleveland architecture saw wealthy patrons support the establishment of the city's major cultural institutions. The most prominent among them were the Cleveland Museum of Art, which opened in 1916,[42] and the Cleveland Orchestra, established in 1918.[43]
1917 multilingual poster in English, Italian, Hungarian, Slovene, Polish, and Yiddish, advertising English classes for immigrants in Cleveland
In addition to the large immigrant population, African American migrants from the rural South arrived in Cleveland (among other Northeastern and Midwestern cities) as part of the Great Migration for jobs, constitutional rights, and relief from racial discrimination.[44] By 1920, the year in which the Cleveland Indians won their first World Series championship, Cleveland had grown into a densely populated metropolis of 796,841, making it the fifth-largest city in the nation,[12] with a foreign-born population of 30%.[45]
At this time, Cleveland saw the rise of radical labor movements, most prominently the Industrial Workers of the World (IWW), in response to the conditions of the largely immigrant and migrant workers. In 1919, the city attracted national attention amid the First Red Scare for the Cleveland May Day Riots, in which local socialist and IWW demonstrators clashed with anti-socialists.[46][47] The riots occurred during the broader strike wave that swept the U.S. that year.[48]
Cleveland's population continued to grow throughout the Roaring Twenties.[49] The decade saw the establishment of the city's Playhouse Square,[50] and the rise of the risqué Short Vincent.[51][52] The Bal-Masque balls of the avant-garde Kokoon Arts Club scandalized the city.[53][54]Jazz came to prominence in Cleveland during this period.[55][56]Prohibition first took effect in Ohio in May 1919 (although it was not well-enforced in Cleveland), became law with the Volstead Act in 1920, and was eventually repealed nationally by Congress in 1933.[57] The ban on alcohol led to the rise of speakeasies throughout the city and organized crime gangs, such as the Mayfield Road Mob, who smuggled bootleg liquor across Lake Erie from Canada into Cleveland.[57][58]
Euclid Avenue and East 9th Street with the Hickox Building in 1918
Cleveland was hit hard by the Wall Street Crash of 1929 and the subsequent Great Depression.[63] A center of union activity, the city saw significant labor struggles in this period, including strikes by workers against Fisher Body in 1936 and against Republic Steel in 1937.[37] The city was also aided by major federal works projects sponsored by President Franklin D. Roosevelt's New Deal.[64] In commemoration of the centennial of Cleveland's incorporation as a city, the Great Lakes Exposition debuted in June 1936 at the city's North Coast Harbor, along the Lake Erie shore north of downtown.[65] Conceived by Cleveland's business leaders as a way to revitalize the city during the Depression, it drew four million visitors in its first season, and seven million by the end of its second and final season in September 1937.[66]
After the war, Cleveland initially experienced an economic boom, and businesses declared the city to be the "best location in the nation".[39][70] In 1949, the city was named an All-America City for the first time, and in 1950, its population reached 914,808.[25] In sports, the Indians won the 1948 World Series, the hockey team, the Barons, became champions of the American Hockey League, and the Browns dominated professional football in the 1950s. As a result, along with track and boxing champions produced, Cleveland was declared the "City of Champions" in sports at this time.[71] Additionally, the 1950s saw the rising popularity of a new music genre that local WJW (AM) disc jockey Alan Freed dubbed "rock and roll".[72]
However, by the 1960s, Cleveland's economy began to slow down, and residents increasingly sought new housing in the suburbs, reflecting the national trends of suburban growth following federally subsidized highways.[73]Industrial restructuring, particularly in the steel and automotive industries, resulted in the loss of numerous jobs in Cleveland and the region, and the city suffered economically.[74] The burning of the Cuyahoga River in June 1969 brought national attention to the issue of industrial pollution in Cleveland and served as a catalyst for the American environmental movement.[75]
Housing discrimination and redlining against African Americans led to racial unrest in Cleveland and numerous other Northern U.S. cities.[76][77] In Cleveland, the Hough riots erupted from July 18 to 24, 1966,[78] and the Glenville Shootout took place on July 23, 1968.[79] In November 1967, Cleveland became the first major American city to elect an African American mayor, Carl B. Stokes, who served from 1968 to 1971 and played an instrumental role in restoring the Cuyahoga River.[80][81]
During the 1970s, Cleveland became known as "Bomb City U.S.A." due to several bombings that shook the city, mostly due to organized crime rivalries.[82] In December 1978, during the turbulent tenure of Dennis Kucinich as mayor, Cleveland became the first major American city since the Great Depression to enter into a financial default on federal loans.[83] The national recession of the early 1980s "further eroded the city's traditional economic base."[74] While unemployment during the period peaked in 1983, Cleveland's rate of 13.8% was higher than the national average due to the closure of several steel production centers.[84][85]
Nevertheless, by the turn of the 21st century, Cleveland succeeded in developing a more diversified economy and gained a national reputation as a center for healthcare and the arts.[88] The city's downtown and several neighborhoods have experienced significant population growth since 2010, while overall population decline has slowed.[89] Challenges remain for the city, with improvement of city schools,[90] economic development of neighborhoods, and continued efforts to tackle poverty, homelessness, and urban blight being top municipal priorities.[91][92]
According to the U.S. Census Bureau, the city has a total area of 82.47 square miles (213.60 km2), of which 77.70 square miles (201.24 km2) is land and 4.77 square miles (12.35 km2) is water.[93] The shore of Lake Erie is 569 feet (173 m) above sea level; however, the city lies on a series of irregular bluffs lying roughly parallel to the lake. In Cleveland these bluffs are cut principally by the Cuyahoga River, Big Creek, and Euclid Creek.
The land rises quickly from the lake shore elevation of 569 feet. Public Square, less than one mile (1.6 km) inland, sits at an elevation of 650 feet (198 m), and Hopkins Airport, 5 miles (8 km) inland from the lake, is at an elevation of 791 feet (241 m).[94]
Cleveland's downtown architecture is diverse. Many of the city's government and civic buildings, including City Hall, the Cuyahoga County Courthouse, the Cleveland Public Library, and Public Auditorium, are clustered around the open Cleveland Mall and share a common neoclassical architecture. They were built in the early 20th century as the result of the 1903 Group Plan. They constitute one of the most complete examples of City Beautiful design in the U.S.[95][96]
Completed in 1927 and dedicated in 1930 as part of the Cleveland Union Terminal complex, the Terminal Tower was the tallest building in North America outside New York City until 1964 and the tallest in the city until 1991.[97] It is a prototypical Beaux-Arts skyscraper. The two other major skyscrapers on Public Square, Key Tower (the tallest building in Ohio) and 200 Public Square, combine elements of Art Deco architecture with postmodern designs.[98][99]
Running east from Public Square through University Circle is Euclid Avenue, which was known as "Millionaires' Row" for its prestige and elegance as a residential street.[100][101] In the late 1880s, writer Bayard Taylor described it as "the most beautiful street in the world".[102]
Several neighborhoods have begun to attract the return of the middle class that left the city for the suburbs in the 1960s and 1970s. These neighborhoods are on both the West Side (Ohio City, Tremont, Detroit–Shoreway, and Edgewater) and the East Side (Collinwood, Hough, Fairfax, and Little Italy). Much of the growth has been spurred on by attracting creative class members, which has facilitated new residential development and the transformation of old industrial buildings into loft spaces for artists.[88][116]
Typical of the Great Lakes region, Cleveland exhibits a continental climate with four distinct seasons, which lies in the humid continental (KöppenDfa)[117] zone. The climate is transitional with the Cfahumid subtropical climate. Summers are hot and humid, while winters are cold and snowy. East of the mouth of the Cuyahoga, the land elevation rises rapidly in the south. Together with the prevailing winds off Lake Erie, this feature is the principal contributor to the lake-effect snow that is typical in Cleveland (especially on the city's East Side) from mid-November until the surface of the lake freezes, usually in late January or early February. The lake effect causes a relative differential in geographical snowfall totals across the city. On the city's far West Side, the Hopkins neighborhood only reached 100 inches (254 cm) of snowfall in a season three times since record-keeping for snow began in 1893.[118] By contrast, seasonal totals approaching or exceeding 100 inches (254 cm) are not uncommon as the city ascends into the Heights on the east, where the region known as the "Snow Belt" begins. Extending from the city's East Side and its suburbs, the Snow Belt reaches up the Lake Erie shore as far as Buffalo.[119]
The all-time record high in Cleveland of 104 °F (40 °C) was established on June 25, 1988,[120] and the all-time record low of −20 °F (−29 °C) was set on January 19, 1994.[121] On average, July is the warmest month with a mean temperature of 74.5 °F (23.6 °C), and January, with a mean temperature of 29.1 °F (−1.6 °C), is the coldest. Normal yearly precipitation based on the 30-year average from 1991 to 2020 is 41.03 inches (1,042 mm).[122] The least precipitation occurs on the western side and directly along the lake, and the most occurs in the eastern suburbs. Parts of Geauga County to the east receive over 44 inches (1,100 mm) of liquid precipitation annually.[123]
Climate data for Cleveland (Hopkins Airport), 1991–2020 normals,[b] extremes 1871–present[c]
With its extensive cleanup of its Lake Erie shore and the Cuyahoga River, Cleveland has been recognized by national media as an environmental success story and a national leader in environmental protection.[75] Since the city's industrialization, the Cuyahoga River had become so affected by industrial pollution that it "caught fire" a total of 13 times beginning in 1868.[128] It was the river fire of June 1969 that spurred the city to action under Mayor Carl B. Stokes, and played a key role in the passage of the Clean Water Act in 1972 and the National Environmental Policy Act later that year.[81][128] Since that time, the Cuyahoga has been extensively cleaned up through the efforts of the city and the Ohio Environmental Protection Agency (OEPA).[75][129]
In addition to continued efforts to improve freshwater and air quality, Cleveland is now exploring renewable energy. The city's two main electrical utilities are FirstEnergy and Cleveland Public Power. Its climate action plan, updated in December 2018, has a 2050 target of 100% renewable power, along with reduction of greenhouse gases to 80% below the 2010 level.[130] In recent decades, Cleveland has been working to address the issue of harmful algal blooms on Lake Erie, fed primarily by agricultural runoff, which have presented new environmental challenges for the city and for northern Ohio.[131]
At the 2020 census, there were 372,624 people and 170,549 households in Cleveland. The population density was 4,901.51 inhabitants per square mile (1,892.5/km2). The median household income was $30,907 and the per capita income was $21,223. 32.7% of the population was living below the poverty line. Of the city's population over the age of 25, 17.5% held a bachelor's degree or higher, and 80.8% had a high school diploma or equivalent.[6] The median age was 36.6 years.[134]
Originally built in 1905 as the Jewish Temple B'nai Jeshurun, this building on Cleveland's East Side, today known as the Shiloh Baptist Church, now serves an African American congregation.
The influx of immigrants in the 19th and early 20th centuries drastically transformed Cleveland's religious landscape. From a homogeneous settlement of New England Protestants, it evolved into a city with a diverse religious composition. The predominant faith among Clevelanders today is Christianity (Catholic, Protestant, and Eastern and Oriental Orthodox), with Jewish, Muslim, Hindu, and Buddhist minorities.[149]
Within Cleveland, the neighborhoods with the highest foreign-born populations are Asiatown/Goodrich–Kirtland Park (32.7%), Clark–Fulton (26.7%), West Boulevard (18.5%), Brooklyn Centre (17.3%), Downtown (17.2%), University Circle (15.9%, with 20% in Little Italy), and Jefferson (14.3%).[150] Recent waves of immigration have brought new groups to Cleveland, including Ethiopians and South Asians,[151][152] as well as immigrants from Russia and the former USSR,[153][154] Southeast Europe (especially Albania),[141] the Middle East, East Asia, and Latin America.[11] In the 2010s, the immigrant population of Cleveland and Cuyahoga County began to see significant growth.[155] A 2019 study found Cleveland to be the city with the shortest average processing time in the nation for immigrants to become U.S. citizens.[156] The city's annual One World Day in Rockefeller Park includes a naturalization ceremony of new immigrants.[157]
Cleveland's location on the Cuyahoga River and Lake Erie has been key to its growth as a major commercial center.[13] Steel and many other manufactured goods emerged as leading industries.[158][37] The city has since diversified its economy in addition to its manufacturing sector.[13]
Healthcare plays a major role in Cleveland's economy. The city's "Big Three" hospital systems are the Cleveland Clinic, University Hospitals, and MetroHealth.[163] The Cleveland Clinic is the largest private employer in the state of Ohio, with a workforce of over 55,000 as of 2022[update].[164] It carries the distinction of being one of the best hospital systems in the world.[165] The clinic is led by Croatian-born president and CEO Tomislav Mihaljevic and it is affiliated with Case Western Reserve University School of Medicine.[166]
University Hospitals includes the University Hospitals Cleveland Medical Center and its Rainbow Babies & Children's Hospital. Cliff Megerian serves as that system's CEO.[167] MetroHealth on the city's west side is led by president and CEO Christine Alexander-Rager.[168] Formerly known as City Hospital, it operates one of two Level I trauma centers in the city, and has various locations throughout Greater Cleveland.[169][170]
In 2013, Cleveland's Global Center for Health Innovation opened with 235,000 square feet (21,800 m2) of display space for healthcare companies across the world.[171] To take advantage of the proximity of universities and other medical centers in Cleveland, the Veterans Administration moved the region's VA hospital from suburban Brecksville to a new facility in University Circle.[172]
One Playhouse Square, now the headquarters for Cleveland's public broadcasters, was initially used as the broadcast studios of WJW (AM), where disc jockey Alan Freed first popularized the term "rock and roll".[72] Beginning in the 1950s, Cleveland gained a strong reputation as a key breakout market for rock music.[182] Its popularity in the city was so great that Billy Bass, the program director at the WMMS radio station, referred to Cleveland as "The Rock and Roll Capital of the World".[182] The Cleveland Agora Theatre and Ballroom has served as a major venue for rock concerts in the city since the 1960s.[183] From 1974 through 1980, the city hosted the World Series of Rock at Cleveland Municipal Stadium.[184]
The city has a history of polka music being popular both past and present and is the location of the Polka Hall of Fame. There is even a subgenre called Cleveland-style polka, named after the city. The music's popularity is due in part to the success of Frankie Yankovic, a Cleveland native who was considered "America's Polka King".[189]
Cleveland Fire Department (1900) by the Edison Company, one of the first films made in Cleveland
The first film shot in Cleveland was in 1897 by the company of Ohioan Thomas Edison.[191] Before Hollywood became the center for American cinema, filmmaker Samuel Brodsky and playwright Robert McLaughlin operated a film studio at the Andrews mansion on Euclid Avenue (now the WEWS-TV studio).[192] There they produced major silent-era features, such as Dangerous Toys (1921), which are now considered lost. Brodsky also directed the weekly Plain Dealer Screen Magazine that ran in theaters in Cleveland and Ohio from 1917 to 1924.[191] In addition, Cleveland hosted over a dozen sponsored film studios, including Cinécraft Productions, which still operates in Ohio City.[191][193]
Cleveland has a thriving literary and poetry community, with regular poetry readings at bookstores, coffee shops, and various other venues.[198] In 1925, Russian Futurist poet Vladimir Mayakovsky came to Cleveland and gave a poetry recitation to the city's ethnic working class, as part of his trip to America.[199][200] The Cleveland State University Poetry Center serves as an academic center for poetry in the city.[201]
Langston Hughes, preeminent poet of the Harlem Renaissance and child of an itinerant couple, lived in Cleveland as a teenager and attended Central High School in Cleveland in the 1910s.[202] At Central High, the young writer was taught by Helen Maria Chesnutt, daughter of Cleveland-born African American novelist Charles W. Chesnutt.[203] Hughes authored some of his earliest poems, plays, and short stories in Cleveland and contributed to the school newspaper.[204] The African American avant-garde poet Russell Atkins lived in the city as well.[205]
The American modernist poet Hart Crane was born in nearby Garrettsville, Ohio in 1899. His adolescence was divided between Cleveland and Akron before he moved to New York City in 1916. Aside from factory work during World War I, he served as a reporter to The Plain Dealer for a short period, before achieving recognition in the Modernist literary scene.[206] On the Case Western Reserve University campus, a statue of Crane, designed by sculptor William McVey, stands behind the Kelvin Smith Library.[207]
Cleveland was the home of Joe Shuster and Jerry Siegel, who created the comic book character Superman in 1932.[208] Both attended Glenville High School, and their early collaborations resulted in the creation of "The Man of Steel".[209]Harlan Ellison, noted author of speculative fiction, was born in Cleveland in 1934; his family subsequently moved to nearby Painesville, though Ellison moved back to Cleveland in 1949. As a young man, he published a series of short stories appearing in the Cleveland News, and performed in a number of productions for the Cleveland Play House.[210]
Cleveland is the site of the Anisfield-Wolf Book Award, established by poet and philanthropist Edith Anisfield Wolf in 1935, which recognizes books that have made important contributions to the understanding of racism and human diversity.[211] Presented by the Cleveland Foundation, it remains the only American book prize focusing on works that address racism and diversity.[212]
Cleveland has two main art museums. The Cleveland Museum of Art is a major American art museum, with a collection that includes more than 60,000 works of art ranging from ancient masterpieces to contemporary pieces.[213] The Museum of Contemporary Art Cleveland showcases established and emerging artists, particularly from the Cleveland area, through hosting and producing temporary exhibitions.[214] Both museums offer free admission to visitors, with the Cleveland Museum of Art declaring their museum free and open "for the benefit of all the people forever."[215][214]
Cleveland hosts the WinterLand holiday display lighting festival annually at Public Square.[221] The Cleveland International Film Festival has been held in the city since 1977,[222] and the Cleveland Silent Film Festival has been held since 2022.[223] The Cleveland National Air Show, an indirect successor to the National Air Races, has been held at the city's Burke Lakefront Airport since 1964.[224] The Great Lakes Burning River Fest, a two-night music and beer festival at Whiskey Island, has been sponsored by the Great Lakes Brewing Company since 2001.[225]
Many ethnic festivals are held in Cleveland throughout the year. These include the annual Feast of the Assumption in Little Italy,[226] Russian Maslenitsa in Rockefeller Park,[227] the Puerto Rican Parade and Cultural Festival in Clark–Fulton,[228] the Cleveland Asian Festival in Asiatown,[229] the Tremont Greek Fest,[230] and the St. Mary Romanian Festival in West Park.[231] Cleveland also hosts annual Polish Dyngus Day and Slovene Kurentovanje celebrations.[232][233] The city's annual Saint Patrick's Day parade brings hundreds of thousands to the streets of Downtown.[234] The Cleveland Thyagaraja Festival held each spring at Cleveland State University is the largest Indian classical music and dance festival in the world outside of India.[235] Since 1946, the city has annually marked One World Day in the Cleveland Cultural Gardens in Rockefeller Park, celebrating all of its ethnic communities.[157]
With its blue-collar roots well intact, and plenty of Lake Erie perch and walleye available, the tradition of Friday night fish fries remains alive and thriving in Cleveland, particularly in ethnic parish-based settings, especially during the season of Lent.[243]Clambakes are likewise embedded into the city's culinary culture.[244][245] For dessert, the Cleveland Cassata Cake is a unique treat invented in the local Italian community and served in Italian establishments throughout the city.[246] Another popular dessert, the locally crafted Russian Tea Biscuit, is common in many Jewish bakeries in Cleveland.[247]
Cleveland is noted in the world of celebrity food culture. Famous local figures include chef Michael Symon and food writer Michael Ruhlman, both of whom achieved local and national attention for their contributions to the culinary world. In 2007, Symon helped gain the spotlight when he was named "The Next Iron Chef" on the Food Network. That same year, Ruhlman collaborated with Anthony Bourdain, to do an episode of his Anthony Bourdain: No Reservations focusing on Cleveland's restaurant scene.[248]
Ohio produces the fifth most beer in the U.S., with its largest brewery being Cleveland's Great Lakes Brewing Company.[249] Cleveland has had a long history of brewing, tied to many of its ethnic immigrants, and has reemerged as a regional leader in production.[250] Dozens of breweries exist in the city limits, including large producers such as Market Garden Brewery and Platform Beer Company.
Breweries can be found throughout the city, but the highest concentration is in the Ohio City neighborhood.[251] Cleveland hosts expansions from other countries as well, including the Scottish BrewDog and German Hofbrauhaus.[252][253]
The Cleveland Guardians – known as the Indians from 1915 to 2021 – won the World Series in 1920 and 1948. They also won the American League pennant, making the World Series in the 1954, 1995, 1997, and 2016 seasons. Between 1995 and 2001, Jacobs Field (now known as Progressive Field) sold out 455 consecutive games, a Major League Baseball record until it was broken in 2008.[254]
Cleveland and Lake Erie in winter from Edgewater Park
Known locally as the "Emerald Necklace", the Olmsted-inspired Cleveland Metroparks encircle Cleveland and Cuyahoga County. The city proper encompasses the Metroparks' Brookside and Lakefront Reservations, as well as significant parts of the Rocky River, Washington, and Euclid Creek Reservations. The Lakefront Reservation, which provides public access to Lake Erie, consists of four parks: Edgewater Park, Whiskey Island–Wendy Park, East 55th Street Marina, and Gordon Park.[272]
Three more parks fall under the jurisdiction of the Euclid Creek Reservation: Euclid Beach, Villa Angela, and Wildwood Marina.[273] Further south, bike and hiking trails in the Brecksville and Bedford Reservations, along with Garfield Park, provide access to trails in the Cuyahoga Valley National Park.[274] Also included in the Metroparks system is the Cleveland Metroparks Zoo, established in 1882. Located in Big Creek Valley, the zoo has one of the largest collections of primates in North America.[275]
In addition to the Metroparks, the Cleveland Public Parks District oversees the city's neighborhood parks, the largest of which is the historic Rockefeller Park. The latter is notable for its late 19th century landmark bridges, the Rockefeller Park Greenhouse, and the Cleveland Cultural Gardens, which celebrate the city's ethnic diversity.[276][157] Just outside of Rockefeller Park, the Cleveland Botanical Garden in University Circle, established in 1930, is the oldest civic garden center in the nation.[277] In addition, the Greater Cleveland Aquarium, located in the historic FirstEnergy Powerhouse in the Flats, is the only independent, free-standing aquarium in the state of Ohio.[278]
Historically, from the Civil War era to the 1940s, Cleveland had been dominated by the Republican Party, with the notable exceptions of the Johnson and Baker mayoral administrations.[279] Businessman and Senator Mark Hanna was among Cleveland's most influential Republican figures, both locally and nationally.[288] Another nationally prominent Ohio Republican, former U.S. President James A. Garfield, was born in Cuyahoga County's Orange Township (today the Cleveland suburb of Moreland Hills). His resting place is the James A. Garfield Memorial in Cleveland's Lake View Cemetery.[289]
Today Cleveland is a major stronghold for the Democratic Party in Ohio. Although local elections are nonpartisan, Democrats still dominate every level of government.[279] Politically, Cleveland and several of its neighboring suburbs comprise Ohio's 11th congressional district. The district is represented by Shontel Brown, one of five Democrats representing the state of Ohio in the U.S. House of Representatives.[290]
Like in other major American cities, crime in Cleveland is concentrated in areas with higher rates of poverty and lower access to jobs.[296][297] In recent decades, the rate of crime in the city, although higher than the national average, experienced a significant decline, following a nationwide trend in falling crime rates.[296][298] However, as in other major U.S. cities, crime in Cleveland saw an abrupt rise in 2020–21.[299]
Cleveland is served by the firefighters of the Cleveland Division of Fire, established in 1863.[305] The fire department operates out of 22 active fire stations throughout the city in five battalions. Each Battalion is commanded by a Battalion Chief, who reports to an on-duty Assistant Chief.[306][307]
The Division of Fire operates a fire apparatus fleet of twenty-two engine companies, eight ladder companies, three tower companies, two task force rescue squad companies, hazardous materials ("haz-mat") unit, and numerous other special, support, and reserve units. The Chief of Department is Anthony Luke.[308]
Cleveland EMS is operated by the city as its own municipal third-service EMS division. Cleveland EMS is the primary provider of Advanced Life Support and ambulance transport within the city of Cleveland, while Cleveland Fire assists by providing fire response medical care.[309] Although a merger between the fire and EMS departments was proposed in the past, the idea was subsequently abandoned.[310]
Cleveland serves as headquarters to Coast Guard District 9 and is responsible for all U.S. Coast Guard operations on the five Great Lakes, the Saint Lawrence Seaway, and surrounding states accumulating 6,700 miles of shoreline and 1,500 miles of international shoreline with Canada. It reports up through the U.S. Department of Homeland Security. Station Cleveland Harbor, located in North Coast Harbor, has a responsibility covering about 550 square miles of the federally navigable waters of Lake Erie, including the Cuyahoga and Rocky rivers, as well as a number of their tributaries.[311]
Cleveland is served by the Cleveland Metropolitan School District. It is the only K–12 district in Ohio under the direct control of the mayor, who appoints a school board.[312] Approximately 1 square mile (2.6 km2) of Cleveland's Buckeye–Shaker neighborhood is part of the Shaker Heights City School District. The area, which has been a part of the Shaker school district since the 1920s, permits these Cleveland residents to pay the same school taxes as the Shaker residents, as well as vote in the Shaker school board elections.[313]
Cleveland is home to a number of colleges and universities. Most prominent among them is Case Western Reserve University (CWRU), a widely recognized research and teaching institution based in University Circle with several major graduate programs.[315]
Established in 1869,[317] the Cleveland Public Library is one of the largest public libraries in the nation with a collection of over 13 million materials in 2023.[318] It holds the Northeast Ohio Broadcast Archives,[319] and the John G. White Special Collection, with the largest chess library in the world and a rare collection of folklore and books on the Middle East and Eurasia.[320][321] The library's main building was designed by Walker and Weeks and dedicated in 1925,[322] under head librarian Linda Eastman, the first woman to lead a major library system in the U.S.[323] Between 1904 and 1920, 15 libraries built with funds from Andrew Carnegie were opened in the city.[324] Known as the "People's University", the library presently maintains 27 branches.[325] It serves as the headquarters for the CLEVNET library consortium, which includes 47 public library systems in Northeast Ohio.[326]
Several ethnic publications are based in Cleveland. These include the Call and Post, a weekly newspaper that primarily serves the city's African American community;[335] the Cleveland Jewish News, a weekly Jewish newspaper;[336] the bi-weekly Russian-languageCleveland Russian Magazine;[337] the MandarinErie Chinese Journal;[338]La Gazzetta Italiana in English and Italian;[339] the Ohio Irish American News;[340] and the Spanish language Vocero Latino News.[341]
The Mike Douglas Show, a nationally syndicated daytime talk show, began in Cleveland in 1961 on KYW-TV (now WKYC),[343] while The Morning Exchange on WEWS-TV served as the model for Good Morning America.[344]Tim Conway and Ernie Anderson first established themselves in Cleveland while working together at KYW-TV and later WJW-TV (now WJW). Anderson both created and performed as the immensely popular Cleveland horror host Ghoulardi on WJW-TV's Shock Theater, and was later succeeded by the long-running late night duo Big Chuck and Lil' John.[345] Another Anderson protégé – Ron Sweed – would become a popular Cleveland late night movie host in his own right as "The Ghoul".[346]
News/talk stations include WHK, WTAM, and WERE. During the Golden Age of Radio, WHK was the first radio station to broadcast in Ohio, and one of the first in the country.[350][351] WTAM is the AM flagship for both the Cleveland Cavaliers and the Cleveland Guardians.[352][353] Sports stations include WKNR (ESPN), WARF (Fox) and WKRK-FM (Infinity), with WKNR and WKRK-FM serving as co-flagship stations for the Cleveland Browns, and WARF airing the Cleveland Monsters and – though primarily an English language station – Spanish broadcasts of Cleveland Guardians home games.[354][355][356]Religious stations include WCCD, WHKW, WCCR, and WCRF.
Cleveland has a bus and rail mass transit system operated by the Greater Cleveland Regional Transit Authority (RTA). The rail portion is officially called the RTA Rapid Transit, but local residents refer to it as The Rapid. It consists of three light rail lines, known as the Blue, Green, and Waterfront Lines, and a heavy rail line, the Red Line. In 2008, RTA completed the HealthLine, a bus rapid transit line, for which naming rights were purchased by the Cleveland Clinic and University Hospitals. It runs along Euclid Avenue from downtown through University Circle, ending at the Louis Stokes Station at Windermere in East Cleveland.[358] In 1968, Cleveland became the first city in the nation to have a direct rail transit connection linking the city's downtown to its major airport.[69]
In 2021, Walk Score ranked Cleveland the 17th most walkable of the 50 largest cities in the U.S., with a Walk Score of 57, a Transit Score of 45, and a Bike Score of 55 (out of a maximum of 100). Cleveland's most walkable areas can be found in the Downtown, Ohio City, Detroit–Shoreway, University Circle, and Buckeye–Shaker neighborhoods.[359] Like other major cities, the urban density of Cleveland reduces the need for private vehicle ownership. In 2016, 23.7% of Cleveland households lacked a car, while the national average was 8.7%. Cleveland averaged 1.19 cars per household in 2016, compared to a national average of 1.8.[360]
Cleveland's road system consists of numbered streets running roughly north–south, and named avenues, which run roughly east–west. The numbered streets are designated "east" or "west", depending on where they lie in relation to Ontario Street, which bisects Public Square.[361] The two downtown avenues which span the Cuyahoga change names on the west side of the river. Superior Avenue becomes Detroit Avenue on the West Side, and Carnegie Avenue becomes Lorain Avenue. The bridges that make these connections are the Hope Memorial (Lorain–Carnegie) Bridge and the Veterans Memorial (Detroit–Superior) Bridge.[362][363]
Cleveland is served by three two-digit interstate highways – Interstate 71, Interstate 77, and Interstate 90 – and by two three-digit interstates – Interstate 480 and Interstate 490. Running due east–west through the West Side suburbs, I-90 turns northeast at the junction with I-490, and is known as the Cleveland Inner Belt.[364] The Cleveland Memorial Shoreway carries Ohio State Route 2 along its length, and at varying points carries US 6, US 20 and I-90.[365] At the junction with the Shoreway, I-90 makes a 90-degree turn in the area known as Dead Man's Curve, then continues northeast.[366] The Jennings Freeway (State Route 176) connects I-71 just south of I-90 to I-480.[364] A third highway, the Berea Freeway (State Route 237 in part), connects I-71 to the airport and forms part of the boundary between Brook Park and Cleveland's Hopkins neighborhood.[367]
Cleveland is a major North American air market, serving 4.93 million people.[368]Cleveland Hopkins International Airport is the city's primary major airport and an international airport that serves the broader region. Originally known as Cleveland Municipal Airport, it was the first municipally owned airport in the country.[369] Cleveland Hopkins is a significant regional air freight hub hosting FedEx Express, UPS Airlines, U.S. Postal Service, and major commercial freight carriers. In addition to Hopkins, Cleveland is served by Burke Lakefront Airport, on the north shore of downtown between Lake Erie and the Shoreway. Burke is primarily a commuter and business airport.[370]
The Port of Cleveland, at the Cuyahoga River's mouth, is a major bulk freight and container terminal on Lake Erie, receiving much of the raw materials used by the region's manufacturing industries.[371] The Port of Cleveland is the only container port on the Great Lakes with bi-weekly container service between Cleveland and the Port of Antwerp in Belgium on a Dutch service called the Cleveland-Europe Express.[372] In addition to freight, the Port of Cleveland welcomes regional and international tourists who pass through the city on Great Lakes cruises.[373]
Cleveland has a long history as a major railroad hub in North America. Today, Amtrak provides service to Cleveland, via the Capitol Limited and Lake Shore Limited routes, which stop at Cleveland Lakefront Station. Additionally, Cleveland hosts several inter-modal freight railroad terminals, for Norfolk Southern, CSX and several smaller companies.[374][375]
Cleveland maintains cultural, economic, and educational ties with 28 sister cities around the world. It concluded its first sister city partnership with Lima, Peru, in 1964.[378] In addition, Cleveland hosts the Consulate General of the Republic of Slovenia, which, until Slovene independence in 1991, served as an official consulate for Tito's Yugoslavia.[379] The Cleveland Clinic operates the Cleveland Clinic Abu Dhabi hospital, two outpatient clinics in Toronto, and a hospital campus in London.[380] The Cleveland Council on World Affairs was established in 1923.[381]
^Mean monthly maxima and minima (i.e. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1991 to 2020.
^Official records for Cleveland kept at downtown from January 1871 to May 1941, and at Hopkins Airport since June 1941. For more information, see ThreadEx.
^ abcdHammack, David C. (May 28, 2018). "Economy". The Encyclopedia of Cleveland History. Case Western Reserve University. Retrieved September 15, 2020.
^Bourne, Henry E. (1896). "The Story of Cleveland". New England Magazine. Vol. 14, no. 6. p. 744. It was agreeable to the wishes of many of our oldest and most intelligent citizens, who are of the opinion that the 'a' is superfluous.
^ abcHarrison, Dennis I. (January 29, 2021). "Labor". The Encyclopedia of Cleveland History. Case Western Reserve University. Retrieved January 29, 2021.
^"Streetcar Strike of 1899". The Encyclopedia of Cleveland History. Case Western Reserve University. May 22, 2018. Retrieved July 3, 2021.
^ ab"Cleveland Nicknames and Slogans". The Encyclopedia of Cleveland History. Case Western Reserve University. February 27, 2023. Retrieved May 19, 2023.
^ ab"Prohibition Amendment". The Encyclopedia of Cleveland History. Case Western Reserve University. June 18, 2018. Retrieved July 15, 2019.
^Kelly, Ralph (December 28, 1933). "Murder in Cleveland: The Prohibition Toll. Chapter 3—Rise of the Rum Kings; the 'Bloody Corner". The Plain Dealer. pp. 1, 5.
^Miller & Wheeler 1997, p. 146, "Industrialist Cyrus Eaton would later say that Cleveland was hurt more by the Depression than any other city in the United States".
^"Cleveland Electric Illuminating Co". The Encyclopedia of Cleveland History. Case Western Reserve University. April 4, 2019. Retrieved July 22, 2019.
^Schneider, Russell (November 3, 1991). "Those Championship Seasons: Cleveland's Rich Sports History". The Plain Dealer. p. 206. Once upon a time, Cleveland was known as the 'City of Champions.'
^ ab"Freed, Alan". The Encyclopedia of Cleveland History. Case Western Reserve University. May 11, 2018. Retrieved May 19, 2023.
^ ab"Suburbs". The Encyclopedia of Cleveland History. Case Western Reserve University. June 14, 2018. Retrieved May 19, 2023.
^Toledo, Charlotte Nicole; Roy, Chris. "Cleveland Trust Company Building". Cleveland Historical. Cleveland State University. Retrieved August 21, 2019.
^Raponi, Richard. "Old Stone Church". Cleveland Historical. Cleveland State University. Retrieved August 8, 2019.
^Rotman, Michael; Dubelko, Jim. "St. Theodosius Cathedral". Cleveland Historical. Cleveland State University. Retrieved August 8, 2019.
^Condon 1967, p. 9, "For all practical purposes, though – and hang the technicalities – everything east of the [Cuyahoga] river constitutes the East Side. Everything west of the river can be considered the West Side. That is the realistic view taken by Clevelanders. When two Clevelanders meet for the first time, they fence conversationally until the vital question of East or West is answered. Knowing which side of town a new acquaintance comes from makes a subtle difference".
^Smith, Susan (June 26, 1988). "Akron, State Blanketed in 3-Digit Heat". Akron Beacon Journal. p. A1. The high of 104 degrees at Cleveland-Hopkins International Airport was the highest recorded in Cleveland since official weather record -keeping began in 1871, weather service officials said.
^Mio, Lou (January 20, 1994). "Stopped Cold: All-Time Lows Shiver Ohio, But Forecast's for 'Warming'". The Plain Dealer. p. 1A. It was 20 below Tuesday night, breaking Cleveland's all-time record of 19 below set Jan. 24, 1963, a few weeks after Browns owner Art Modell fired head coach Paul Brown during a newspaper strike.
^"Station: Cleveland, OH". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved May 9, 2021.
^"Indians (Asian)". The Encyclopedia of Cleveland History. Case Western Reserve University. February 21, 2019. Retrieved July 2, 2019.
^"Russians". The Encyclopedia of Cleveland History. Case Western Reserve University. May 30, 2023. Retrieved June 7, 2023.
^"Soviet and Post-Soviet Immigration". The Encyclopedia of Cleveland History. Case Western Reserve University. October 7, 2019. Retrieved June 7, 2023.
^"Playhouse Square". Cleveland Historical. Cleveland State University. Retrieved July 1, 2023. By the turn of the twenty-first century, all of the original theaters were again hosting performances, constituting the nation's second largest performing arts complex after New York's Lincoln Center.
^Gibans, Nina; Shelley, James (May 11, 2018). "Literature". The Encyclopedia of Cleveland History. Case Western Reserve University. Retrieved June 7, 2023.
^"Crane, Hart". The Encyclopedia of Cleveland History. Case Western Reserve University. March 3, 2023. Retrieved June 7, 2023.
^Eng, Monica (January 29, 2008). "Hot new dining city: Cleveland?!". Chicago Tribune. Retrieved July 7, 2023. By the time I hit Cleveland for the grand culinary tour, Ruhlman had the routine down. Earlier in the year, his chef/writer pal Anthony Bourdain had filmed a whole episode of his Travel Channel show "No Reservations" in Cleveland.
^ abcRichardson, James F. (June 18, 2018). "Politics". The Encyclopedia of Cleveland History. Case Western Reserve University. Retrieved August 5, 2019.
^"Court History". Cleveland Municipal Court. Archived from the original on March 3, 2022. Retrieved August 8, 2023.
^Roy, Christopher (March 12, 2022). "Hopkins Neighborhood". The Encyclopedia of Cleveland History. Case Western Reserve University. Retrieved July 21, 2023.
^"Cleveland". The Center for Cleveland. Retrieved May 19, 2023.
^ ab"Cleveland Sister City Partnerships". The Encyclopedia of Cleveland History. Case Western Reserve University. December 14, 2023. Retrieved January 4, 2024.
^"Slovenes". The Encyclopedia of Cleveland History. Case Western Reserve University. May 11, 2018. Retrieved May 24, 2020.
^"Cleveland Council on World Affairs". The Encyclopedia of Cleveland History. Case Western Reserve University. May 11, 2018. Retrieved June 21, 2020.
^"Eaton, Cyrus Stephen". The Encyclopedia of Cleveland History. Case Western Reserve University. July 30, 2019. Retrieved November 10, 2019.
^Burik, Paul (October 3, 2020). "Cleveland Agreement of 1915". The Encyclopedia of Cleveland History. Case Western Reserve University. Retrieved June 7, 2023.
Dutka, Alan F. (2012). Cleveland's Short Vincent: The Theatrical Grill and Its Notorious Neighbors. Cleveland: Cleveland Landmarks Press. ISBN978-0936760322.
Feran, Tom; Heldenfels, R. D. (1997). Ghoulardi: Inside Cleveland TV's Wildest Ride. Cleveland: Gray & Co. ISBN978-1886228184.
Harwood, Herbert H. Jr. (2003). Invisible Giants: The Empires of Cleveland's Van Sweringen Brothers. Bloomington and Indianapolis: Indiana University Press. ISBN0-253-34163-9.
Horner, William T. (2010). Ohio's Kingmaker: Mark Hanna, Man and Myth. Athens, OH: Ohio University Press. ISBN978-0-8214-1894-9.
Johannesen, Eric (1999). A Cleveland Legacy: The Architecture of Walker and Weeks. Kent, OH: Kent State University Press. ISBN0-87338-589-6.
Keating, W. Dennis (2022). Cleveland and the Civil War. Charleston: The History Press (Arcadia). ISBN978-1467147736.
Mosbrook, Joe (2013) [Originally published in 2003 by Northeast Ohio Jazz Society]. Cleveland Jazz History (2nd ed.). Cleveland: MSL Academic Endeavors (Cleveland State University). ISBN978-1-936323-41-8.
Condon, George E. (2006). West of the Cuyahoga. Kent, OH: Kent State University Press. ISBN978-0873388542.
Chapman, Edmund H. (1981). Cleveland: Village to Metropolis. Cleveland: Western Reserve Historical Society. ISBN978-091170429-7.
Johannesen, Eric (1979). Cleveland Architecture, 1876–1976. Cleveland: Western Reserve Historical Society. ISBN978-091170421-1.
Grabowski, John J. (2019). Cleveland A to Z: An Essential Compendium for Visitors and Residents Alike. Kent, OH: Kent State University Press. ISBN978-1606353905.
Grabowski, John J.; Grabowski, Diane Ewart (2000). Cleveland: A History in Motion. Carlsbad, CA: Heritage Media. ISBN978-1886483385.
Pavement performance models could be developed to predict a single distress such as a crack or the aggregate pavement condition index.Schematic deterioration of the condition of a road over timeThe increase in the IRI of a road in Texas. The blue dots on the curve represent maintenance actions.
Pavement performance modeling or pavement deterioration modeling is the study of pavementdeterioration throughout its life-cycle.[1][2] The health of pavement is assessed using different performance indicators. Some of the most well-known performance indicators are Pavement Condition Index (PCI), International Roughness Index (IRI) and Present Serviceability Index (PSI),[3][4] but sometimes a single distress such as rutting or the extent of crack is used.[2][5] Among the most frequently used methods for pavement performance modeling are mechanistic models, mechanistic-empirical models,[6] survival curves and Markov models. Recently, machine learning algorithms have been used for this purpose as well.[3][7] Most studies on pavement performance modeling are based on IRI.[8]
The study of pavement performance goes back to the first half of 20th century. The first efforts in pavement performance modeling were based on mechanistic models. Later researchers also developed empirical models, which were not based on the structure of the pavement. Since the beginning of 1990s mechanistic-empirical (M-E) models have become popular. These models combined both mechanistic and empirical features via linear regression. In North America, AASHTO developed a guideline based on mechanistic-empirical methods.[6]
Development of such models required data. Therefore, in North America, organizations such as AASHTO and FHWA collected large amounts of data about pavement conditions. Examples of these databases, which are used for pavement design and performance measurement, are the LTPP and AASHO Road Test.[9]
The deterioration of roads is a complex phenomenon and is influenced by many factors. These factors can be classified into a few categories: design and construction, material type, environmental conditions, and managerial and operational factors.[1]
Among the most significant environmental factors are freeze-thaw cycles, maximum and minimum temperature and precipitation.[2] It is reported that on average roads in a wet climate with freeze cycles deteriorate up to two times more than roads in dry and no-freeze regions.[8] So, roads exposed to larger number of freeze-thaw cycles and higher precipitation levels deteriorate faster. On the other hand, roads in dry and no freeze climates last longer.[1][3] A very high temperature can be detrimental to asphalt pavement too and cause distresses such as bleeding. Considering this, climate change could pose a threat to the well-being of roads. Its impact, however, varies based on regions. While it can be highly detrimental to roads in a certain area it might alleviate the deterioration of roads in another area.[2]
Resurfacing of a granular race track following an auto race.
The traffic count and the type of traffic are among the important operational attributes.[7] Usually larger volumes of traffic and heavier vehicles such as trucks are correlated with faster pavement degradation. Also managerial approaches can have an important influence on deterioration patterns. Examples of the factors directly related to management are the type and frequency of maintenance[3] or cleaning and deicing approaches in the winter.[2][10] Using too much of deicing salt can exacerbate the corrosion problem especially in concrete pavement.[10]
The type of pavement is one of the most important factors affecting pavement deterioration.[3] Generally concrete pavements are more durable in warmer climates, and asphalt pavements are more resilient against cold weather. The joints in concrete pavement is another source of issue. In a certain type of road (concrete, asphalt or gravel), the thickness of layers and type of materials used in base, sub-base and pavement layer matters. Sometimes these attributes are expressed via an aggregated measure called granular base equivalence (GBE).[2][3]
^ abcFord, K., Arman, M., Labi, S., Sinha, K.C., Thompson, P.D., Shirole, A.M., and Li, Z. 2012. NCHRP Report 713 : Estimating life expectancies of highway assets. In Transportation Research Board, National Academy of Sciences, Washington, DC. Transportation Research Board, Washington DC.
^ abcdefPiryonesi, S. M.; El-Diraby, T. E. (2020) [Published online: December 21, 2019]. "Data Analytics in Asset Management: Cost-Effective Prediction of the Pavement Condition Index". Journal of Infrastructure Systems. 26 (1). doi:10.1061/(ASCE)IS.1943-555X.0000512. S2CID213782055.
^Way, N.C., Beach, P., and Materials, P. 2015. ASTM D 6433–07: Standard Practice for Roads and Parking Lots Pavement Condition Index Surveys.
^Ens, A. (2012). Development of a flexible framework for deterioration modelling in infrastructure asset management.
^ abAASHTO. 2008. Mechanistic-empirical pavement design guide: A manual of practice.
^ abHassan, Y., Abd El Halim, A.O., Razaqpur, A.G., Bekheet, W., and Farha, M.H. 2002. Effects of Runway Deicers on Pavement Materials and Mixes: Comparison with Road Salt. Journal of Transportation Engineering, 128(4): 385–391. doi:10.1061/(ASCE)0733-947X(2002)128:4(385). doi:10.1061/(ASCE)0733-947X(2002)128:4(385).
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