State Route 431 is a secondary state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in Tennessee

Tennessee

Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...

. SR 431 runs southeast to northwest from just southeast of Martin

Martin, Tennessee

Martin is a city in Weakley County, Tennessee, United States. Martin is the home of the University of Tennessee at Martin. The population was 10,515 at the 2000 census.-Geography:Martin is located at ....

 in Weakley County to just east of Union City

Union City, Tennessee

Union City is a city in Obion County, Tennessee, United States. The population was 10,876 at the 2000 census. It is the county seat of Obion County. The name comes from its location at the union of two railroads, one running roughly east-west and the other roughly north-south...

 in Obion County.

State Route 431 is the portion of State Route 22, a primary state highway, which was replaced with the current four-lane divided, access-controlled section which now parallels the former route to the north. The old portion was then designated State Route 431.

SR 431 is known in Martin west of the downtown area as University Avenue. The campus of the University of Tennessee at Martin

University of Tennessee at Martin

The University of Tennessee at Martin is a campus in the University of Tennessee system. Other campuses include the flagship campus in Knoxville, the Chattanooga campus, the Center for the Health Sciences in Memphis, and the Space Institute in Tullahoma...

 is located along University Avenue, which divides it into the main campus area and the agriculture

Agriculture

Agriculture is the cultivation of animals, plants, fungi and other life forms for food, fiber, and other products used to sustain life. Agriculture was the key implement in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the...

 campus, where the football

American football

American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...

 stadium

Stadium

A modern stadium is a place or venue for outdoor sports, concerts, or other events and consists of a field or stage either partly or completely surrounded by a structure designed to allow spectators to stand or sit and view the event.)Pausanias noted that for about half a century the only event...

, ROTC

Reserve Officers' Training Corps

The Reserve Officers' Training Corps is a college-based, officer commissioning program, predominantly in the United States. It is designed as a college elective that focuses on leadership development, problem solving, strategic planning, and professional ethics.The U.S...

, and the rodeo

Rodeo

Rodeo is a competitive sport which arose out of the working practices of cattle herding in Spain, Mexico, and later the United States, Canada, South America and Australia. It was based on the skills required of the working vaqueros and later, cowboys, in what today is the western United States,...

 pavilion

Pavilion (structure)

In architecture a pavilion has two main meanings.-Free-standing structure:Pavilion may refer to a free-standing structure sited a short distance from a main residence, whose architecture makes it an object of pleasure. Large or small, there is usually a connection with relaxation and pleasure in...

 are located. The Martin Wal-Mart

Wal-Mart

Wal-Mart Stores, Inc. , branded as Walmart since 2008 and Wal-Mart before then, is an American public multinational corporation that runs chains of large discount department stores and warehouse stores. The company is the world's 18th largest public corporation, according to the Forbes Global 2000...

 and the communities of Gardner and Midway are also located along this highway, as is an access road to a small general aviation

General aviation

General aviation is one of the two categories of civil aviation. It refers to all flights other than military and scheduled airline and regular cargo flights, both private and commercial. General aviation flights range from gliders and powered parachutes to large, non-scheduled cargo jet flights...

airport.