In Livingston County, Illinois State Route 170 is a 8 mile, north-south, route in the center of the county. IL St Rt 170 does not pass through any towns in Livingston County. IL St Rt 170 is not multi-plexed in Livingston County. IL St Rt 170 intersects the following highways in Livingston County. Illinois State Route 17, near Budd.
NB IL St Rt 170 at the La Salle/Livingston County Line. SB IL St Rt 170 south of IL St Rt 17. A NB IL St Rt 170 guild marker. A juction marker on NB IL St Rt 23. The southern end of IL St Rt 170. The southern end of marker.
