Illinois State Route 3 is a north-south highway in Western Jackson County. It runs along the bluffs of the Mississippi River. IL St Rt 3 passes through the following town in Jackson County. Glenn IL St Rt 3 is not multi-plexed in Jackson County. IL St Rt 3 intersects the following highways in Jackson County. Illinois State Route 149, near Grimsby. Illinois State Route 151, near Glenn.
