Illinois State Route 122 is a short-lived route in Mc Lean County. This is a spur off of Illinois State Route 9. IL St Rt 9 goes due west out of Bloomington then heads north-west to the Peoria Metro. When IL St Rt. 9 heads north-west, IL St Rt 122 comes in and provides a south-west branch for Tazewell County. IL St Rt 122 does not pass thought any towns in Mc Lean County. IL St Rt 122 is not multi-plexed in Mc Lean County. IL St Rt 122 intersects the following highway in Mc Lean County. Illinois State Route 9 near Danvers.
EB IL St Rt 122 south of Danvers. A junction marker on WB IL St Rt 9. The eastern end of IL St Rt 122 at IL St Rt 9 south of Danvers. The eastern end marker.
