U.S. Route 31 in Tennessee

U.S. Route 31
US 31 in Tennessee highlighted in red
Route information
Maintained by TDOT
Length	93.01 mi (149.69 km)
Existed	November 11, 1926 (1926-11-11)[1]–present
Major junctions
South end	I-65 / US 31 at Alabama state line
Major intersections	I-65 near Elkton US 31A at Pulaski US 412 / US 43 at Columbia US 431 at Franklin US 41 / US 41A / US 70S / US 431 at Nashville I-24 at Nashville
North end	US 31E / US 31W / US 41 / US 431 at Nashville
Location
Country	United States
State	Tennessee
Counties	Giles, Maury, Williamson, Davidson
Highway system
United States Numbered Highway System List Special Divided Tennessee State Routes Interstate US State
← SR 30 → US 31E

U.S. Route 31 (US 31) is a part of the United States Numbered Highway System that runs from Spanish Fort, Alabama, to Mackinaw City, Michigan. In the U.S. state of Tennessee, it runs concurrently with Interstate 65 (I-65) for the first mile northward from the Tennessee state line. There US 31 parallels I-65 to downtown Nashville. At Pulaski US 31 meets the southern terminus of US 31A in Tennessee. US 31 continues due north through Lynnville, Columbia, Spring Hill, Franklin and Brentwood to Nashville. The route splits into US 31E and US 31W in Nashville and goes into Kentucky.