Special routes of U.S. Route 31

Several special routes of U.S. Route 31 exist. In order from south to north they are as follows.

U.S. Route 31 marker

U.S. Route 31
Highway system


Nashville–Pulaski alternate routeEdit


U.S. Route 31A
LocationPulaskiNashville, Tennessee
Length76.94 mi (123.82 km)

U.S. Route 31A (US 31A) is an alternate route of U.S. Route 31 that exists between Nashville and Pulaski, Tennessee. It is located entirely in Middle Tennessee and except for the Lewisburg bypass, where it is concurrent with SR 106, it is entirely concurrent with unsigned State Route 11 (SR 11).

Lewisburg business routeEdit



U.S. Route 31A Business
LocationLewisburg, Tennessee
Length2.7 mi (4.3 km)

U.S. Route 31A Business (US 31A Business or US 31A Bus) is a Business route of U.S. Route 31A in Lewisburg, Tennessee, following US 31A’s original alignment through downtown. It is concurrent with unsigned State Route 11 (SR 11) for its entire length.

Franklin truck routeEdit



U.S. Route 31 Truck
LocationFranklin, Tennessee

U.S. Route 31 Truck (US 31 Truck) exists as truck route around the city of Franklin, Tennessee that is entirely concurrent with Tennessee State Route 397 (SR 397; Mack C Hatcher Parkway). At both of its termini, there are signs that show a US 31 Business through downtown Franklin, even though this is the mainline US 31 and this was actually done to draw traffic away from downtown Franklin.

Hendersonville bypass routeEdit



U.S. Route 31E Bypass
LocationHendersonville, Tennessee

An unsigned portion consisting primarily of Tennessee State Route 386 is known as the U.S. Route 31E Bypass.


US 31AEdit


U.S. Route 31A

Former US 31A began at an interchange with US 31 where it traveled on Indianapolis Road and 11th Street. It followed State Road 46 on Brown Street (northbound) and Lindsay Street (southbound). South of Columbus, US 31A went through Jonesville, then passed through an interchange with Interstate 65, and terminated at US 50 in Seymour, Indiana. US 31A was deleted in Indiana in the 1980s, and State Road 11 was extended northward.

Miami County business routeEdit



U.S. Route 31 Business

Business US 31 in Miami County begins at US 31 south of Peru. When it reaches downtown Peru, it turns east onto Bus. US 24 (Main St.), then it turns north onto Broadway. It becomes Mexico Road after an intersection with U.S. 24. Going through Mexico, the route ends at US 31 just north of Mexico.

Plymouth alternate routeEdit



U.S. Route 31 Alternate

Alternate US 31 in Plymouth traveled along the Michigan Road, former US 31. It began at US 31 north of Plymouth, and terminated at US 31 south of Plymouth. It first appears on the 1964 Indiana State Highway Commission map (the previous edition shows a red line denoting a U.S. route but no marker) and last appears on the 1967–68 edition.

South Bend business routeEdit



U.S. Route 31 Business
LocationSouth Bend

Business US 31 in South Bend follows the former US 31 north from the US 20/US 31/St. Joseph Valley Parkway interchange on the south side of the city, joining SR 933 south of downtown, then turns west along Cleveland Road just north of the Indiana Toll Road (Interstate 80/90) to return to US 31. The route had been planned to continue into Michigan along the former US 31 route which at the time carried US 33, but the Michigan Department of Transportation did not approve of the routing.[2][3]


There are five current, and two former, business routes for US 31 in Michigan. In addition, there was an alternate route in the state.


  1. ^ Special Committee on U.S. Route Numbering (June 22, 1980). "Route Numbering Committee Agenda Showing Action Taken by the Executive Committee" (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 4. Retrieved October 15, 2018 – via Wikisource.
  2. ^ South Bend Tribune, March 27, 1980
  3. ^ South Bend Tribune, August 19, 1981