Illinois State Route 116 is a east-west highway in Northwestern Iroquois County. This is the eastern most county it passes through. IL St Rt 116 passes through the following town in Irouquois County. Askum
IL St Rt 116 is not multi-plexed in Iroquois County. IL St Rt 116 intersects the following highways on Iroquois County. Interstate 57, near Ashkum. U.S. Rt. 45, at Ashkum.