State Route 378
State Route 378 (SR 378) is a 2-mile-long (3.2 km) state highway located in Dayton, Rhea County, in the U.S. state of Tennessee. SR 378 begins at an intersection with US 27/SR 60 and travels to the west, then marks a sharp turn and travels to the northeast toward Downtown Dayton. In downtown, it has a brief 0.2-mile-long (0.32 km) concurrency with SR 30. It continues northward and comes to and at an interchange with US 27.
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