SR 312 highlighted in red | ||||
Route information | ||||
Maintained by TDOT | ||||
Length | 26.8 mi (43.1 km) | |||
Existed | July 1, 1983[1]–present | |||
Major junctions | ||||
East end | ![]() ![]() | |||
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West end | ![]() | |||
Location | ||||
Country | United States | |||
State | Tennessee | |||
Counties | Hamilton, Bradley | |||
Highway system | ||||
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State Route 312 (SR 312) is a secondary state route in Hamilton and Bradley counties in the US state of Tennessee that runs from Birchwood to Cleveland. The route runs east and west; however, much of the route in Hamilton County runs north and south.