Tennessee State Route 431

State Route 431 marker
State Route 431
Map
TN 431 highlighted in red
Route information
Maintained by TDOT
Length16.58 mi[1] (26.68 km)
Major junctions
South end Future I-169 / US 45E / SR 22 southeast of Martin
Major intersections US 45W / SR 5 in Union City
North end US 51 in Union City
Location
CountryUnited States
StateTennessee
CountiesWeakley, Obion
Highway system
SR 429 SR 433

State Route 431 (SR 431) is a 16.58-mile-long (26.68 km) secondary state highway in the northwestern part of the U.S. state of Tennessee.