Tennessee State Route 320 is a east-west route running from Chattanooga into central Hamilton County. TN St Rt 320 passes through the following towns in Hamilton County. Chattanooga TN St Rt 320 is not multi-plexed in Hamilton County. TN St Rt 320 intersects the following highways in Hamilton County U.S. Rt. 11, at Chattanooga. U.S. Rt. 64, at Chattanooga. Tennessee State Route 2, at Chattanooga. Interstate 75, at Chattanooga. U.S. Rt. 74, at Chattanooga. Tennessee State Route 321, near Apson.
BGS on NB I-75. Junction sign on NB TN Sec St Rt 321.
