State Highway 31 (abbreviated SH-31) is a state highway in Oklahoma. It runs 132.6 miles in an irregular west-to-east pattern in the southeastern part of the state. There are two spur highways branching from SH-31, SH-31A and SH-31B.
State Highway 31 (abbreviated SH-31) is a state highway in Oklahoma. It runs 132.6 miles in an irregular west-to-east pattern in the southeastern part of the state. There are two spur highways branching from SH-31, SH-31A and SH-31B. (en)