Tennessee State Route 12
SR 12; primary in red, unsigned in blue | ||||
| Route information | ||||
| Maintained by TDOT | ||||
| Length | 62.46 mi (100.52 km) | |||
| Existed | October 1, 1923–present | |||
| Major junctions | ||||
| South end | US 31 / US 41 / US 431 / US 41A in Nashville | |||
| North end | US 41 Alt. at the Kentucky State Line | |||
| Location | ||||
| Country | United States | |||
| State | Tennessee | |||
| Counties | Davidson, Cheatham, Montgomery | |||
| Highway system | ||||
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State Route 12 (SR 12) is a highway from Davidson County, Tennessee to Montgomery County, Tennessee.