Length: 248.50 mi. Direction: south-north. Ohio State Route 3 (SR 3) is a major highway in Ohio that begins in Cincinnati, passes through Columbus and ends in Cleveland. The route is also known as 3-C Highway. The road passes through the counties of Hamilton, Warren, Clinton, Fayette, Madison, Pickaway, Franklin, Delaware, Knox, Ashland, Holmes, Wayne, Medina, and Cuyahoga. It was opened in 1923.
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