 State Route 456 | ||||
|---|---|---|---|---|
 TN 456 highlighted in red | ||||
| Route information | ||||
| Maintained by TDOT | ||||
| Length | 10.0 mi (16.1 km) | |||
| Major junctions | ||||
| South end |   SR 63 / SR 297 just east of Huntsville | |||
| North end |  US 27 in Oneida | |||
| Location | ||||
| Country | United States | |||
| State | Tennessee | |||
| Counties | Scott | |||
| Highway system | ||||
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State Route 456 (SR 456) is a 10-mile-long (16 km) north–south state highway in Scott County, Tennessee. It serves as a bypass of Huntsville for traffic on SR 297. It was originally part of SR 297 until it was moved in the 2000s to follow more of SR 63 and part of US 27 in Oneida.