Kankakee County Highway 12 is the main link between the Village of Herscher and Illinois State Route 17. KCH 12 passes through the following town. Herscher
A junction sign on EB IL St Rt 17. SB KCH 12 south of IL St Rt 17. SB KCH 12 near the Norfolk-Southern Railroad. NB KCH 12 north of IL St Rt 115. A junction sign on EB IL St Rt 115. NB KCH 12 in Herscher. SB KCH 12 near the Iroquois/Kankakee County Line.