State Route 61 (SR 61) is a north–south state highway in the northern portion of the U.S. state of Ohio. Its southern terminus is at the U.S. Route 36/State Route 3 concurrency in Sunbury, and its northern terminus is at U.S. Route 6 east of Huron, at the southernmost point of Lake Erie (which is subsequently the southernmost northern border of the United States). State Route 61 is routed through the communities of Mount Gilead, Galion, Crestline, Shelby, Plymouth, Norwalk, and Berlin Heights.

Quick Facts State Route 61, Route information ...

State Route 61
Route of SR 61 highlighted in red
Route information
Maintained by ODOT
Length	91.16 mi[1] (146.71 km)
Existed	1924–present
Major junctions
South end	US 36 / SR 3 in Sunbury
Major intersections	I-71 near Marengo US 30 near Galion SR 2 near Huron
North end	US 6 near Huron
Location
Country	United States
State	Ohio
Counties	Delaware, Morrow, Crawford, Richland, Huron, Erie
Highway system
Ohio State Highway System Interstate US State Scenic
← SR 60 → US 62

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State Route 61C (SR 61C) is a 0.72-mile-long (1.16 km)^[1] connection between the Norwalk Bypass US 20/SR 18 and SR 61 southwest of Norwalk. The intersection forms a sideways triangle with SR 61 as the base on the east, US 20 as the south side, and Route 61C as the north side. SR 61C exists because US 20 bridges SR 61 on the south side of the triangle and would have not intersected SR 61 otherwise.^{[citation needed]} SR 61C is part of a former alignment of US 20.