Illinois State Route 61 is a north-south highway in Southwestern Mc Donough County. IL St Rt 61 passes through the following town in Mc Donough County. Plymouth
Colmar
IL St Rt 61 is not multi-plexed in Mc Donough County. IL St Rt 61 intersects the following highways in Mc Donough County. U.S. Rt. 136, near Tennessee. Illinois State Route 110, near Tennessee.
NB IL St Rt 61 at the Hancock/Mc Donough County Line. NB IL St Rt 61 south of Colmar. NB IL St Rt 61 in Colmar. NB IL St Rt 61 north of Colmar. SB IL St Rt 61 south of U.S. Rt. 136. A BGS on EB U.S. Rt. 136; NB IL St Rt 110/336. A junction marker on EB U.S. Rt. 136; NB IL St Rt 110/336. A Mc Donough County mile marker. NB IL St Rt 61 at U.S. Rt. 136. The northern end marker. The northern end of IL St Rt 61. (Septmber, 2010) The northern end marker of IL St Rt 61. (Septmber, 2010)
