 On December 17, 1952, the route was extended west to SH 107 on the north side of Mission.On August 29, 1989, it was again extended west, this time to connect with U.S. Route 83 in Palmview.The route was then transferred to SH 495 on January 23, 2001, and was extended westward to Abram Road to make a new connection with US 83.