U.S. Federal Route 31 runs briefly in Kentucky. This enters the state from Indiana crossing the Ohio River into Downtown Louisville. Shortly after entering the state it divides into U.S. Rt. 31E and U.S. Rt. 31W. U.S. Rt. 31 passes through the following town in Metro-Louisville. Louisville U.S. Rt. 31 is not multi-plexed in Metro-Louisville. U.S. Rt. 31 crosses the following highways in Metro-Louisville. Interstate 64, at Louisville. (NO INTERCHANGE) Kentucky Secondary State Route 3077, at Louisville. (NO INTERCHANGE) U.S. Rt. 31E, at Louisville. U.S. Rt. 31W, at Louisville. U.S. Rt. 60, at Louisville. Kentucky State Route 1020, at Louisville.
Branches of U.S. Rt. 31 in Kentucky. SB U.S. Rt. 31 crossing the Ohio River. SB U.S. Rt. 31 at the Kentucky State Welcome sign. A guide marker in Louisville.