Ohio State Route 4

State Route 4
State Route 4
	SR 4 in red, SR 4 Bypass in blue, former SR 4 in Dayton in grey
Route information
	Maintained by ODOT
Length	207.22 mi (333.49 km)
Existed	1912–present
Major junctions
South end	US 42 in Cincinnati
	I-75 in Cincinnati; I-275 in Springdale; I-75 / US 35 in Dayton; I-70 / I-675 in Huber Heights; US 40 in Springfield; US 33 / US 36 in Marysville; US 23 near Marion; US 30 in Bucyrus; US 20 / SR 18 near Bellevue; I-80 / Ohio Turnpike near Sandusky; I-90 / SR 2 near Sandusky;
North end	US 6 / SR 101 in Sandusky
Location
Country	United States
State	Ohio
Counties	Hamilton, Butler, Montgomery, Greene, Clark, Champaign, Union, Delaware, Marion, Crawford, Seneca, Huron, Erie
Highway system
	Ohio State Highway System; Interstate; US; State; Scenic;

State Route 4 (SR 4), formerly known as Inter-county Highway 4 until 1921^[2] and State Highway 4 in 1922,^[3] 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.

^ Cite error: The named reference DESTAPE was invoked but never defined (see the help page).
^ Ohio Department of Highways and Public Works (September 1921). Highway Map of Ohio Showing Conditions for Travel (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways and Public Works.
^ Ohio Department of Highways and Public Works (April 1922). Map of Ohio State Highways Showing All Improved Roadways and Indicating System Constructed Under Administration of Gov. Harry L. Davis (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways and Public Works.

[DESTAPE-1] Cite error: The named reference DESTAPE was invoked but never defined (see the help page).

[2] Ohio Department of Highways and Public Works (September 1921). Highway Map of Ohio Showing Conditions for Travel (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways and Public Works.

[3] Ohio Department of Highways and Public Works (April 1922). Map of Ohio State Highways Showing All Improved Roadways and Indicating System Constructed Under Administration of Gov. Harry L. Davis (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways and Public Works.

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