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 U.S. state of Oklahoma. These highways were once a single major north–south route, connecting Oklahoma City to more rural parts of the state. The original...

State Highway 9, abbreviated as SH-9, OK-9, or simply Highway 9, is a major east–west highway in the U.S. state of Oklahoma. Spanning across the central...

State Highway 99 (SH-99) is a north–south state highway through central Oklahoma. It runs from the Texas state line at Lake Texoma to the Kansas state...

State Highway 66 (abbreviated SH-66) is a 192.7-mile (310.1 km) state highway in the U.S. state of Oklahoma, beginning at U.S. Highway 81 in El Reno and...

S. Highways, and state highways. Interstate and U.S. Highways are continuous with surrounding states, while state highways are not (though Oklahoma and...

State Highway 51, abbreviated to SH-51 or OK-51, is a major state highway in Oklahoma, United States. It runs for 332.8 miles (535.6 km) east–west across...

State Highway 18, abbreviated as SH-18 or OK-18, is a highway maintained by the U.S. state of Oklahoma. It was once one of the longest state highways...

State Highway 97 (abbreviated SH-97) is a 19.86-mile (31.96 km) state highway, maintained by the U.S. state of Oklahoma. It connects two towns in the...

State Highway 19, abbreviated as SH-19, is a 171.7-mile-long (276.3 km) highway running through the southern part of the U.S. state of Oklahoma. It is...