Illinois 250 is an east-west route running along old or alternate alignments of US50. It runs on a stretch north of US50, then joins it, then it runs on a stretch south of US50 to end near Lawrenceville
Intersections from west to east:
IL250 begins at (you guessed it) US50
IL250 joins IL130 south at Olney
IL250 leaves IL130 soon after
IL250 joins US50 east
The 2 routes split up
IL250 ends at Business Route 50 at Lawrenceville.
It passes through these towns: Olney and Lawrenceville.
