Texas State Highway 317
State Highway 317 is a Texas state highway that runs north-south from Valley Mills to the intersection of Interstate 35, Interstate 14, and U.S. [Highway 190 (Texas)|U.S. Highway 190] in Belton. This route was designated on May 23, 1939 from Belton to McGregor, with an extension north to Valley Mills on October 29, 1947.