Explore the Iowa Department of Transportation's construction projects, maintenance, safety features and more that comprise the state's roads and highways.

List of state highways in Iowa ... State highways in the U.S. state of Iowa are owned and maintained by the Iowa Department of Transportation.

View critical information, search results from your place or custom route search, camera images, and more. Click icons on the map, to view more details here. What are you looking for? Use these quick …

Deciphers Iowa's alphanumeric county road numbering system. Large collection of photographs of Iowa highway signs and scenes. Page about Iowa's scenic byways and other marked "trails", such as the …

May 15, 2025 · Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000

Provides Iowa interstate and state highway traveler information such as weather-related road conditions, road work, commercial vehicle restrictions, road closures, traffic incidents and other travel details.

Iowa road conditions,traffic condition reports,accident reports,maps,weather and travel guides.

The Iowa Transportation Map shows interstates with exit numbers, highways, mileage between cities, points of interest and more.

511 provides real-time updates about weather-related road conditions, road work, commercial vehicle restrictions, road closures and other events that impact traffic via the phone or Internet.

Dec 29, 2025 · The Iowa DOT and State Patrol have reopened Interstate 35 as a blizzard ends and road conditions begin to improve.