In the heart of the U.S., the Kansas Interstate System is at the crossroads of transcontinental travel. Kansas has two major interstate routes and seven other interstate routes with a combined length of 874 miles. Drivers annually travel more than 6,770,000,000 miles on the Kansas Interstate System. The average daily traffic volume on our Interstates ranges from 6,500 to more than 165,000 vehicles per day, depending on the location. Visit the pages below to learn more about Kansas Interstates.