Kankakee County Highway 49 is a short north-south highway in Kankakee County. This highway runs beween Kankakee County Highway 6 and Illinois State Route 17. It is also known as Limestone School Road. KCH 49 does not pass through any towns in Kankakee County. KCH 49 intersects the following highways in Kankakee County. Illinois State Route 17, near Kankakee. Kankakee County Highway 6, near Bonfield.