Illinois Route 106 is an east-west route in west-central Illinois, that basically runs parallel to Interstate 72 along that highway's south side. It connects the county seats of Pike and Scott Counties, then the east end dives slightly south into Greene County. Every intermediate highway Illinois 106 encounters between its two endpoints forms a short concurrency with it.
The western beginning of Illinois 106 is an exit off of Interstate 72 just across the Mississippi River from Hannibal, Missouri...
The western beginning of Illinois 106 is an exit off of Interstate 72 just across the Mississippi River from Hannibal, Missouri...
At Hull, Illinois 96 comes from the north and joins Illinois 106 east...
Illinois 106 splits from Illinois 96 to continue east at Kinderhook...
West of Pittsfield, Illinois 106 joins US Route 54 eastward...
In Pittsfield, Illinois 106's concurrency with US Route 54 ends, so that route can meet its end farther north at Interstate 72:
At the tiny town of Detroit, Illinois, Illinois 100 comes from the south to join Illinois 106 across the Illinois River via the Florence Bridge:
East of the Florence Bridge, Illinois 100 breaks away from Illinois 106 to continue north...
After running through Winchester and turning south into Greene County, Illinois 106 ends at US Route 67 in White Hall, Illinois...
