Interstate 480 (Ohio)
Interstate 480 is a auxiliary Interstate Highway of I-80 in the US state of Ohio that passes through much of the Greater Cleveland area, including the southern parts of the city of Cleveland. I-480 is one of 13 auxiliary Interstate Highways in the state. The western terminus of I-480 is an interchange with I-80 and the Ohio Turnpike in North Ridgeville. Starting east through suburban Lorain County, I-480 enters Cuyahoga County, then approaches Cleveland Hopkins International Airport, which serves as the primary airport for Northeast Ohio. After traversing Brooklyn and crossing the Cuyahoga River on the Valley View Bridge, the highway continues east toward the communities of Bedford and Twinsburg toward its eastern terminus at I-80 and the Ohio Turnpike in Streetsboro. On its route, I-480 crosses I-71 and I-77 and is concurrent with I-271 for approximately. In 1998, the governor of Ohio, George Voinovich, gave I-480 the additional name of the "Senator John Glenn Highway", in honor of the former NASA astronaut and US senator from Ohio for 24 years.
As a major east–west connector in Northeast Ohio, I-480 functions as a critical bypass of central Cleveland, facilitating suburban commuting, freight movement, and airport access. The route plays a key role in regional mobility by linking multiple Interstate corridors and supporting economic activity across the Greater Cleveland metropolitan area.
Parts of I-480 were to have been I-271 and/or I-80N.
Route description
From its western terminus at the Ohio Turnpike in Lorain County, I-480 travels eastward through suburban communities, providing access to industrial, residential, and commercial areas. Near Cleveland Hopkins International Airport, the highway serves as a primary access route for passenger and cargo traffic, contributing to some of the highest traffic volumes in the state.The freeway runs concurrently with I-271 for. I-271 and I-480 were the only two auxiliary Interstates in the nation that ran concurrently with each other for any distance until 2022, when concurrencies between I-587 and I-795 and I-785 and I-840 in North Carolina were established with the designation of I-587 and the completion of the Greensboro Urban Loop. This is because I-80 was concurrent with I-271 until 1971, when I-80 was routed back on to the turnpike and replaced by I-480.
Due to the convergence of these high traffic roads, congestion is common during peak times. They run concurrently through Bedford Heights, Bedford, and Cuyahoga County, Ohio|Oakwood] in Cuyahoga County. Because of that, the Ohio Department of Transportation started a $120-million widening project in 2016, separating I-271 traffic from I-480 traffic. The project was completed in 2020.
The I-271/I-480 interchange complex is considered one of the most operationally significant freeway junctions in Ohio. Long-term traffic forecasts identified the corridor as a bottleneck for both commuter and long-haul traffic, prompting phased capacity and safety improvements.
Opened in 1977, the Valley View Bridge is a steel girder structure and one of the most prominent highway bridges in Northeast Ohio. Its elevation and length were engineered to accommodate river traffic, rail lines, and the steep terrain of the Cuyahoga Valley, making it a key piece of regional infrastructure.The Valley View Bridge, which is high and spans, carries I-480 across the Cuyahoga River valley. It is the busiest crossing in the state of Ohio with approximately 180,000 cars per day.
History
I-480 was conceived as a means of giving motorists a faster way of crossing Cleveland's southern borders and suburbs. The first segment of the route was partially concurrent with I-271 and constructed simultaneously with that highway in 1965. Planning for the route was largely finished by 1968, and construction began on its first mile began at the highway's interchange with I-77 in 1970.The planning of I-480 occurred during a period of rapid suburban expansion in Cuyahoga County, when regional leaders sought to relieve congestion on surface streets and improve cross-county connectivity. Like many urban Interstate projects of the era, the route faced community opposition, funding challenges, and evolving federal highway standards.
The segment from Bedford west to Maple Heights opened in November 1976. The segment from Maple Heights west to Brooklyn Heights opened in January 1978.
Construction from west to east began as political controversies and engineering work were resolved on the highway's middle section. I-480 between I-80 and I-71 was completed in 1983.
The of the route north and northeast of Cleveland Hopkins International Airport proved the most difficult to plan due to existing high levels of traffic on Brookpark Road and the expansion requirements of the airport.
The final $115-million, segment linking the east and west ends of I-480 was finished in August 1987.
Upon completion, I-480 significantly reduced travel times across southern Cleveland and enhanced access to employment centers and logistics hubs. The corridor has since been incorporated into successive regional transportation plans as a backbone route for Northeast Ohio.
Interstate 480N
Interstate 480N is officially designated as the spur freeway connecting I-480 to I-271 and US Route 422 by ODOT. The highway lacks conventional confirming markers; the only shields for the route are on milemarkers. Other guide signs only refer to the routes at I-480N's termini.;Major intersections