U.S. Route 18

U.S. Route 18
Route information
Length	1,043 mi (1,679 km)
Existed	1926–present
Major junctions
West end	I-25 / US 20 / US 26 / US 87 at Orin, WY
Major intersections	I-29 near Worthing, SD I-35 / Iowa 27 at Clear Lake, IA US 218 / Iowa 27 near Charles City, IA I-39 / I-90 at Madison, WI I-94 at Waukesha, WI I-41 / US 41 / US 45 at Wauwatosa, WI I-43 at Milwaukee, WI
East end	Lincoln Memorial Drive in Milwaukee, WI
Location
Country	United States
States	Wyoming, South Dakota, Iowa, Wisconsin
Highway system
United States Numbered Highway System List Special Divided
← US 17 US 19 →

U.S. Route 18 (US 18) is an east–west United States highway in the Midwestern United States. The west end is at Interstate 25, US 20, US 26, and US 87 in Orin, Wyoming. Its east end is at Lincoln Memorial Drive in downtown Milwaukee, Wisconsin. The highway is 1,043 miles (1,679 km) long.