TN 148A: Appeared as new routing in 1953 or 1954 running from TN 148 (now TN 318) to US 11-41-64-72 in Lookout Mountain.
In 1983, TN 148A was renumbered as part of TN 148.
TN 148A did make it onto at least one Tennessee State Official map...
TN 148A shown but not labeled
1958 Official Route Log
TN 148A shown
1959 Official
TN 148A shown but not labeled
1983 Hamilton County
