Grundy County Highway C34 is a east-west highway in Central Grundy County. It runs from the Grundy/La Salle County Line, near Seneca, to Illinois State Route 113, west of Coal City. This highway runs mostly along Du Pont Road. Although it travels briefly on Kinsman Road, Indian Trail Road, Gonnam Road, and Higgins Road. GCH C34 does not pass through any towns in Grundy County. GCH C34 passes through the following townships in Grundy County. Norman Wauponsee GCH C34 intersects the following highways in Grundy County. Grundy County Highway T66, near Seneca. Grundy County Highway V16, near Morris. Illinois State Route 47, near Morris. Illinois State Route 113, near Coal City.
EB GCH C34 at the La Salle/Grundy County Line. EB GCH C34 on Gonnam Road north of GCH T66. EB GCH C34 on Du Pont Road east of Gonnam Road. EB GCH C34 east of Gulley Road. EB GCH C34 near IL St Rt 47. A intersection sign on SB IL St Rt 47. EB GCH C34 at the curve to Higgins Road. Looking north on WB GCH C34 at IL St Rt 113.
