Interstate 90 runs along which east-west limited-access toll highway in the U.S. state of Ohio?
Interstate 90 in Ohio Interstate 90 (I-90) runs east–west across the northern tier of the U.S. state of Ohio. Much of it is along the Ohio Turnpike, but sections outside the turnpike pass through Cleveland and northeast into Pennsylvania.
Ohio State Route 518 State Route 518 (SR 518) is an east–west state highway located entirely in Columbiana County in northeast Ohio. The western terminus of SR 518 is at SR 644 north of Summitville. Its eastern terminus is at the concurrency of U.S. Route 30 (US 30) and SR 45 near West Point.