Tennessee State Route 317 runs east-west across Southeastern Hamilton County. it goes from Tennessee State Route 17, north of Chattanooga, to the Bradley/Hamilton County Line. TN St Rt 317 passes through the following towns in Hamilton County. Chattanooga Summit Collegedale TN St Rt 317 is not multi-plexed in Hamilton Coumty. TN St Rt 317 intersects the following highways in Hamilton County. Tennessee State Route 17, near Chattanooga. Tennessee State Route 153, at Chattanooga. U.S. Rt. 11, near Summit. U.S. Rt. 64, near Summit. Tennessee State Route 2, near Summit. Interstate 75, near Summit. U.S. Rt. 74, near Summit. Tennessee State Route 321, at Collegedale.