Map: Missouri Travel Delays, May 2, 2017

About MoDOT provides basic information on the Missouri Department of Transportation and its leaders, direction, history and funding. MoDOT works with the public, transportation partners, state and federal legislators, and other state and local agencies to provide a safe and efficient transportation system to the people of Missouri.

There are a total of 33,884 miles of roadway within the state of Missouri. Roadways are considered either major or minor depending on the amount of traffic that they serve. Major routes make up about 20% of Missouri's roadways but handle nearly 80% of the traffic while minor routes make up about 80% of Missouri roadways but only handle about 20% of the traffic.