Not to be confused with Iowa's 3rd congressional district.
State highway in Iowa, United States
Iowa Highway 3
American Veterans Memorial Highway
Iowa 3 highlighted in red
Route information
Maintained by Iowa DOT
Length
323.102 mi[1] (519.982 km)
Existed
1945–present
Major junctions
West end
SD 50 west of Westfield
Major intersections
US 75 at Le Mars
US 71 near Truesdale
US 169 at Humboldt
I-35 near Latimer
US 65 at Hampton
US 218 / Iowa 27 at Waverly
US 63 near Denver
US 52 / Iowa 136 at Luxemburg
East end
Northwest Arterial at Dubuque
Location
Country
United States
State
Iowa
Counties
Plymouth
Cherokee
Buena Vista
Pocahontas
Humboldt
Wright
Franklin
Butler
Bremer
Fayette
Clayton
Delaware
Dubuque
Highway system
Iowa Primary Highway System
Interstate
US
State
Secondary
Scenic
← Iowa 2
→ Iowa 4
Iowa Highway 3 (Iowa 3) is a state highway that runs from east to west across the state of Iowa. It is the longest state highway in Iowa, at 323 miles (520 km) long. Iowa 3 begins at the South Dakota state line where it continues as South Dakota Highway 50 and ends at the Northwest Arterial at the Dubuque city limits. It is designated the American Veterans Memorial Highway for its entirety. It is located approximately halfway between Interstate 80 and Interstate 90.
^2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved January 10, 2011.
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Global Information
SD 50 west of Westfield
