Tennessee_State_Route_456
Tennessee State Route 456
State highway in Tennessee, United States
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.