 The route then passes through Lexington where it crosses U.S. Route 1 and has a brief concurrency with U.S. Route 378.SC 6 passes just east of Lake Murray (over the Saluda Dam as a divided highway).In Irmo, SC 6 changes from N. Lake Drive to Dreher Shoals Road before ending at a junction with U.S. Highway 76 in Ballentine.