U.S. Route 278 in Alabama

U.S. Route 278 (US 278), mostly internally designated by the Alabama Department of Transportation as State Route 74 (SR 74), is a major east–west U.S. highway across the northern part of the U.S. state of Alabama. West of Hamilton, SR 74 continues west to end at US 78 (unsigned SR 4), while US 278 turns south along US 43/SR 17/SR 171 to Guin, where it turns west along SR 118 to the Mississippi state line.