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Double Number U.S. Federal Highways of Illinois
> U.S. Federal Route 51, Illinois
U.S. Federal Route 51
U.S. Federal Route 51 is a north-south route across the state of Illinois. A majority of U.S. Rt. 51 has been up-graded to interstate standards. Info on U.S. Rt. 51 is broken down by county, below.
25 May 2008
Roads of the Mid-South & West > Highways of the State of Illinois > Double Number U.S. Federal Highways of Illinois > U.S. Federal Route 51, Illinois
