Roads of the Mid-South & West > Highways of the State of Illinois > County Highways of the State of Illinois
![](/rnb/countyil/ilcounty.JPG)
In Illinois some counties label there highways, while others don't. The ones that do label their highway use the standar pentagon shield.
![](http://gallery.angelfire.com/webelements/Lines/Lines4/000j2002.gif)
![](/rnb/countyil/sac.JPG)
Bureau County-Champaign County-Christian County-Clay County-Clinton County-Cook County-Coles County-Cumberland County-De Kalb County-De Witt County-Douglas County-Du Page County-Edgar County-Effingham County-Fayette County-Grundy County-Henry County-Iroquois County-Kane County-Kankakee County-Kendall County-Knox County-Lake County-La Salle County-Livingston County-Logan County-Macon County-Mason County-Mc Donough County-Mc Henry County-Mc Lean County-Menard County-Peoria County-Piatt County-Rock Island County-St. Clair County-Sangamon County-Vermilion County-Will County-Winnebago County-Woodford County