U.S. Federal Route 40 runs east-west across the state of Missouri. Much of the U.S. Rt. 40 right-of-way is at interstate standards. Info on U.S. Rt. 40 is broken down by county. Montgomery CountyCallaway County Boone County Cooper County Saline County Lafayette County Jackson County
Roads of the Mid-South & West > Highways of the State of Missouri > U.S. Federal Highways of Missouri > U.S. Federal Route 40, Missouri
