U.S. Federal Route 40 runs east-west across Northern Jackson County. This runs along the Interstate 70 corridor, and follows Interstate 70 into and around Downtown Kansas City. U.S. Rt. 40 passes through the following towns in Jackson County. Oak Grove Grain Valley Blue Springs Lee's Summit Independance Kansas City
U.S. Rt. 40 is multi-plexed in Jackson County. Interstate 70, from the Jackson/Lafayette County Line.