Illinois State Route 49 cuts north-south through Central Iroquois County. This is also the northern most county that IL St Rt 49 runs through. IL St Rt 49 passes through the following towns in Iroquis County. Cresent City
Cissna Park
IL St Rt 49 is not multi-plexed in Iroquois County. IL St Rt 49 intersects the following routes in Iroquois County. U.S. Rt. 45 near L'Erable. U.S. Rt. 52 near L'Erable.
NB IL St Rt 49 in Cissna Park. Looking north along IL St Rt 49 in Rural Iroquois County. A junction sign on WB U.S. Rt. 52. A junction marker on NB U.S. Rt. 45. A junction marker on SB U.S. Rt. 45/EB U.S. Rt. 52. The northern end point. The northern end marker.