State Route 379 is a short east–west highway in Morrison, Tennessee. The current length is 1.8 mi (2.9 km).

The highway begins at an intersection with SR-55 in Morrison. It goes northeast as West Maple St and runs a 0.1 miles (160 m) long concurrency with SR-287 in downtown Morrison. SR-379 then becomes East Maple St and continues to travel northeast before suddenly turning southeast and terminating at SR-55.