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| TN 10A renumbered | ||||
| Previous TN 10A's:
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TN 10A: Appeared in 1941 or 1942 as new state highway, running from TN 10-25 west of Hartsville north to US 31E Bransford.
About 1954, US 231 was assigned to the entirety of TN 10A. In 1966, TN 10A north was truncated from Old US Hwy 31E to the current US 31E routing. In 1983, TN 10A was renumbered as TN 376 (today it is also mainline US 31A.
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