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State Route 4 (Ohio)

State Route 4 marker

State Route 4
Route information
Maintained by ODOT
Length: 206.51 mi (332.35 km)
Existed: 1912 – present
Major junctions
South end: US 42 in Cincinnati
  I-75 in Cincinnati
I-75 in Dayton
I-70 in Huber Heights
I-70 near Enon
I-80 / I-90 / Ohio Turnpike near Sandusky
North end: US 6 / SR 101 in Sandusky
Location
Counties: Hamilton, Butler, Montgomery, Greene, Clark, Champaign, Union, Delaware, Marion, Crawford, Seneca, Huron, Erie
Highway system
SR 3 SR 5
US 52 OH-52 (1920).svg SR 53

State Route 4 Bypass
Location: Hamilton, Ohio
Existed: 1971–present

State Route 4 marker

State Route 4 (SR 4), formerly known as Inter-county Highway 4 until 1921 and State Highway 4 in 1922, is a major north–south state highway in Ohio. It is the fifth longest state route in Ohio. Its southern terminus is at U.S. Route 42 in Cincinnati, Ohio, and its northern terminus is at U.S. Route 6 in Sandusky, Ohio. Its path is nearly ruler-straight for many miles. Some portions of the route are still marked as Dixie Highway. The northern portion was constructed by the Columbus and Sandusky Turnpike Company, see Turnpike Lands.

State Route 4 begins in Cincinnati, running through Dayton, then joining Interstate 70, with which it runs concurrently for over three miles. The route then goes through Springfield and continues to Marion. It then travels to Bucyrus, finally heading northeast to Sandusky, where it ends.

State Route 4 By-Pass (SR 4B or SR 4 Bypass) is a 5.97-mile-long (9.61 km) north–south state highway through Butler County in the western part of the state. The route runs from SR 4 in Fairfield to SR 4 in Fairfield Township north of the Hamilton city limits.


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