Illinois State Route 251 rusn north-south in Eastern Lee County. At Compton, the street markers still say that the route is "U.S. Rt. 51". That was re-routed along Interstate 39, to the east over 15 year ago. Also, notice the Lee County street signs, they label the route as "U.S. Rt. 251".
Street sign in Compton.
Street sign in southern Lee County.
IL St Rt 251 passes through the following town in Lee County. Compton
IL St Rt 251 is not multi-plexed in Lee County. IL St Rt 251 intersects the following highways in Lee County. U.S. Rt. 30, near Scarboro.