Interstate 394 (I-394) is an east–west Interstate Highway spur route in Hennepin County in the U.S. state of Minnesota. It runs for 9.8 miles (15.8 km) from its eastern terminus in downtown Minneapolis to its western terminus at its junction with Interstate 494 in the Minneapolis suburb of Minnetonka. At its western terminus, the roadway loses its interstate designation but continues as U.S. Highway 12.