TN 331 highlighted in red | ||||
Route information | ||||
Maintained by TDOT | ||||
Length | 15.4 mi (24.8 km) | |||
Existed | July 1, 1983[1]–present | |||
Major junctions | ||||
South end | ![]() ![]() | |||
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North end | ![]() | |||
Location | ||||
Country | United States | |||
State | Tennessee | |||
Counties | Knox | |||
Highway system | ||||
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State Route 331 (SR 331) is a mostly west–east, signed north–south, secondary highway in Knox County in the U.S. state of Tennessee.