Illinois State Route 31 is one of the two short north-south highways in Northeastern Kendall County. This runs along the westenr banks of the Fox River. IL St rt 31 passes through the following towns in Kendall County. Montgomery
Oswego
IL St Rt 31 is not multi-plexed in Kendall County. IL St Rt 31 intersects the following highway in Kendall County. U.S. Rt. 34, at Oswego.
A junction marker on WB U.S. Rt. 34. Looking north along IL St Rt 31 in Oswego. A street sign in Oswego. The southern end in Oswego. The southern end marker.
