Illinois State Route 185 is a east-west highway central and southern Fayette County. This runs from the Fayette/Montgomery County Line, near Van Burensburg, to Farina. IL St Rt 185 passes through the following towns in Fayette County. Shafter Vandalia
Bluff City
St. Peter Farina
IL St Rt 185 is multi-plexed in Fayette County. U.S. Rt. 40, from near Vandalia, to near Bluff City.
A junction marker on WB U.S. Rt. 40/IL St Rt 185. WB U.S. Rt. 40/IL St Rt 185 in Vandalia. A junction marker on SB U.S. Rt. 51. WB U.S. Rt. 40/IL St Rt 185; NB U.S. Rt. 51 south of I-70. WB U.S. Rt. 40, NB U.S. Rt. 51/IL St Rt 185 in Vandalia. WB U.S. Rt. 40/IL St Rt 185; NB U.S. Rt. 51 north of Randolph in Vandalia. A setof guide markers from when IL St Rt 140 ended in Vandalia. A junction marker on EB U.S. Rt. 40/IL St Rt 185; SB U.S. Rt. 51. A guide marker in Vandalia. WB U.S. Rt. 40; NB U.S. Rt. 51/IL St Rt 185 at the Kaskaskia River. WB U.S. Rt. 40/NB IL St Rt 185 at U.S. Rt. 51. WB U.S. Rt. 40/NB IL St Rt 185 east of U.S. Rt. 51. WB U.S. Rt. 40/NB IL St Rt 185 west of Bluff City. WB U.S. Rt. 40/NB IL St Rt 185 at Bluff City. WB U.S. Rt. 40/NB IL St Rt 185 west of I-70. A guide marker on WB U.S. Rt. 40. A BGS on NB I-57. SB IL St Rt 185 near Farina. A junction marker on NB IL St Rt 37. The southern end of IL St Rt 185. The southern end marker.
