
Illinois 103 is a short route from near Beardstown to near Ripley. It can be seen as an extension of IL125 west. It runs on a road that is extended west from where IL100 joins US67 from the north.
Intersections from east west:
US67/ IL100 near Beardstown...
and US24 near Ripley
It doesn't pass through any towns; it is only about 8 miles long.