Illinois 160 runs north-south from IL140 through Highland to I-64; then it goes southwest-northeast on a route roughly parallel to I-64 to its south, to end at IL15.
Intersections from north to south:
IL160 begins at IL140
US50 by Trenton
IL161 by New Baden
IL160 joins IL177 southeast to Okawville
IL177 breaks off at Okawville
IL160 ends at IL15
It passes through these towns: Grantfork, Highland, Trenton, New Baden, Okawville, Addieville.
To get to I-64 from IL160 southbound, follow IL161 west a little ways. To get to I-64 from IL160 northbound, follow IL177 east a little bit.