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Route information | ||||
Maintained by ODOT | ||||
Length | 615.0 mi[1][2][3] (989.7 km) | |||
Existed | 1939–present | |||
Major junctions | ||||
West end | ![]() ![]() | |||
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East end | ![]() | |||
Location | ||||
Country | United States | |||
State | Oklahoma | |||
Highway system | ||||
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State Highway 3, also abbreviated as SH-3 or OK-3, is a highway maintained by the U.S. state of Oklahoma. Traveling diagonally through Oklahoma, from the Panhandle to the far southeastern corner of the state, SH-3 is the longest state highway in the Oklahoma road system, at a total length of 615 miles (990 km) via SH-3E (see below).