Oklahoma State Highway 3

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State Highway 3
Route information
Maintained by ODOT
Length	615.0 mi[1][2][3] (989.7 km)
Existed	1939–present
Major junctions
West end	US 287 / US 385 Colorado state line (concurrent with US-287/385)
Major intersections	I-344 / Kilpatrick Turnpike near Oklahoma City I-44 in Oklahoma City I-40 in Oklahoma City I-35 in Oklahoma City I-40 in Shawnee Indian Nation Turnpike in Antlers
East end	AR 32 at the Arkansas state line
Location
Country	United States
State	Oklahoma
Highway system
Oklahoma State Highway System Interstate US State Turnpikes
← SH-2 → SH-4

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).