The DuPage County Highway System is a county-maintained system of arterial

county highway A county highway (also county road or county route; usually abbreviated CH or CR) is a road in the United States and in the Canadian province of Ontario that is designated and/or maintained by the county highway department. Route numbering can ...

s in

DuPage County, Illinois DuPage County ( ) is a county in the U.S. state of Illinois, and one of the collar counties of the Chicago metropolitan area. As of the 2020 census, the population was 932,877, making it Illinois' second-most populous county. Its county seat is ...

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. They are marked with the standard M1-6 pentagon-shaped

highway marker A highway shield or route marker is a sign denoting the route number of a highway, usually in the form of a symbolic shape with the route number enclosed. As the focus of the sign, the route number is usually the sign's largest element, with oth ...

on the base of

traffic signal Traffic lights, traffic signals, or stoplights – known also as robots in South Africa are signalling devices positioned at road intersections, pedestrian crossings, and other locations in order to control flows of traffic. Traffic light ...

s at intersections with other county highways. They are not marked on any freeway or tollway exits or signed with separate

reassurance marker A reassurance marker or confirming marker is a type of traffic sign that confirms the identity of the route being traveled on. It does not provide information found on other types of road signs, such as distances traveled, distances to other locat ...

s. In addition, although concurrencies of county highways exist in the county, they too are not explicitly signed as such. County Highways 47, 48, 49, 55 and 57 all refer to segments of the

Illinois Prairie Path The Illinois Prairie Path (often called the Prairie Path and abbreviated IPP) is a network of of bicycle trails, mostly in DuPage County, Illinois. Portions of the trail extend west to Kane County and east to Cook County. Most of the trail is ca ...

and the

Great Western Trail The Great Western Trail is a north-south long distance multiple use route that runs from Canada to Mexico through five western states in the United States. The trail has access for both motorized and non-motorized users and traverses through Ar ...

, major bike trails through DuPage County. No motorized traffic is allowed on these trails/highways.

Route list

References

{{Reflist Transportation in DuPage County, Illinois z