The Iowa 511 website, app, and phone service provide statewide up-to-date traffic information for interstates, U.S. routes, and state highways in Iowa.

Browse Iowa's 104 public-owned airports, including eight commercial service airports, care of the Iowa Department of Transportation.

Driver's license and identification (ID) services from Iowa DOT. Make an appointment, get a license, permit, or RealID, renew, take a practice test, and more.

5.42 TEMPORARY WORK ZONE SPEED LIMITS The Department’s policy regarding speed limits in temporary traffic control zones is based on Part 6 of the MUTCD. In general, attempts to reduce …

Start here to navigate to resources to help you obtain or renew a driver's license, ID, or a permit in Iowa.

Explore the various map data from the Iowa Department of Transportation including vehicle miles traveled, traffic recorder reports, interstate speed, and more.

Learn what happens if you get a suspension or revocation of your license due to operating while intoxicated (OWI), accidents, fines, or habitual violations.

Personalized and specialty plate design options and how to order.

Highway lettings typically take place on the third Tuesday of each month. These lettings include interstate, primary and secondary road work, and maintenance projects.

Electronic Reference Library - Standard Specifications, Standard Road Plans, Bridge plans and more.