The bypass around Des Moines, Iowa, is a 25-mile-long (40 km) freeway around the south and east of the Des Moines metropolitan area. The route is made up of two state highways – Iowa Highway 5 (Iowa 5) and U.S. Highway 65 (US 65). The bypass begins in southwestern West Des Moines at Iowa 5's interchange with Interstate 35 (I-35). It heads to the east and then curves to the north near the southeastern side of Des Moines. It ends at the interchange of US 65 and I-80 in Altoona.