Roads of the Mid-South & West > Highways of the State of Illinois > Double Number U.S. Federal Highways of Illinois > U.S. Federal Route 40, Illinois
 | U.S. Federal Route 40 |
U.S. Federal Route 40 runs east-west across Southern Illinois. This runs along and croses back and forth Interstate 70. U.S. Rt. 40 runs along what was the National Highway. Info on U.S. Rt. 40 is broken down by county below.
14 July 2010
