State Highway 28 (abbreviated SH-28) is a state highway in Oklahoma. It runs 68.4 miles (110.1 km) in an irregular west-to-east pattern through Nowata...

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 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...

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...

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 152 (abbreviated SH-152) is a state highway running through west-central Oklahoma. It begins at the Texas state line, serving as a continuation...

State Highway 54 (abbreviated SH-54 or OK-54) is a state highway in western Oklahoma. Running north–south, it exists in two parts, which lie at approximately...

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...

State Highway 34 (abbreviated SH-34) is a state highway in the U.S. state of Oklahoma. It runs for 188.3 miles (303.0 km) south-to-north in the western...

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...