ROUTE LOG
US 31, TN 6: 0 - 0
US 431 SB, US 431 Bus, TN 106: 1.8 - 1.8
TN 96: 1.3 - 3.1
US 31, US 31 Bus, US 431 Bus, TN 6: 2.5 - 5.6
US 431 NB, TN 106: 1.7 - 7.3
TN 96: 2.4 - 9.7
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Creation: Appeared between 1987-88 as new routing from US 31 S. Franklin to TN 96.
Adjustments: In 1989, TN 397 was extended north and west to US 431 N. Franklin
In Nov 2021, TN 397 was extended from US 431 west and south to TN 96 west of Franklin
Posting: Posted as primary routing throughout
Secret US Route Overlay: none
Comment: Forms a loop around the east and north of Franklin
TN 397 is cosigned as US 31 TRUCK and US 431 TRUCK in places.
TN 397 from US 31 to TN 96
1987 Williamson County
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TN 397 extended north and west to US 431
2001 Williamson County
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Franklin (Williamson County)
Franklin (Williamson County)