Tennessee State Route 8
| SR 8; primary in red, secondary in blue, unsigned in green | ||||
| Route information | ||||
| Maintained by TDOT | ||||
| Length | 75.43 mi (121.39 km) | |||
| Existed | October 1, 1923–present | |||
| Major junctions | ||||
| South end | US 41 / US 76 / SR 3 at the Georgia State Line in East Ridge | |||
| North end | SR 56 in McMinnville | |||
| Location | ||||
| Country | United States | |||
| State | Tennessee | |||
| Counties | Hamilton, Sequatchie, Van Buren, Warren | |||
| Highway system | ||||
| 
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State Route 8 (SR 8) is a 75.43-mile-long (121.39 km) north–south state highway in East and Middle Tennessee. It connects the cities of Chattanooga and McMinnville via Signal Mountain and Dunlap.