Kankakee County Highway 51 is a north-south highway in North-Central Kankakee County. This runs about seven miles long. KCH 51 does not pass through any towns in Kankakee County. KCH 51 intersects the following highways in Kankakee County. Kankakee County Highway 16, near Manteno. Kankakee County Highway 9, near Manteno. Kankakee County Highway 8, near St. George.
