List of county roads in DuPage County, Illinois

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The DuPage County Highway System is a county-maintained system of arterial county highways in DuPage County, Illinois, United States. They are marked with the standard M1-6[1] pentagon-shaped highway marker on the base of traffic signals at intersections with other county highways. They are not marked on any freeway or tollway exits or signed with separate reassurance markers. 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 and the Great Western Trail, major bike trails through DuPage County. No motorized traffic is allowed on these trails/highways.[2]

Route list

Number Length (mi)[3] Length (km) Southern or western terminus Northern or eastern terminus Local names Formed Removed Notes

CR 1 1.51 2.43 South DuPage–Will county line (87th Street) CR 33 (West 75th Street) Plainfield–Naperville Road Southern segment, Plainfield-Naperville Road continues south as Will 14
CR 1 3.24 5.21 US 34 (Ogden Avenue) in Naperville CH 32 (Warrenville Road) in Warrenville Raymond Drive, Ferry Road, River Road Northern segment

CR 2 4.70 7.56 Washington Street in Naperville CR 38 (63rd Street) near Lisle Hobson Road Southwestern segment
CR 2 4.56 7.34 CR 38 (63rd Street) in Downers Grove IL 56 (Butterfield Road) in Downers Grove Finley Road, Belmont Road Northeastern segment

CR 3 10.63 17.11 CR 14 (North Eola Road) in Aurora CR 2 (Finley Road) in Downers Grove Warrenville Road, Ferry Road

CR 4 7.05 11.35 CR 21 (Geneva Road) in Glen Ellyn Devon Avenue in Roselle Bloomingdale Road, Roselle Road Continues north as Cook V60

CR 5 2.08 3.35 IL 53 (Lincoln Avenue) near Lisle Buena Vista Drive, Raintree Drive in Glen Ellyn Park Boulevard Southern segment
CR 5 3.19 5.13 CR 21 (Geneva Road) in Glen Ellyn CR 11 (Army Trail Road) in Glendale Heights Main Street, Glen Ellyn Road Northern segment; connects to southern segment via Park Boulevard, IL 38 (Roosevelt Road), and Main Street

CR 6 East Bartlett limits CR 6 (South Bartlett Road) Devon Avenue
CR 6 CR 6 (Devon Avenue) Schick Road South Bartlett Road Simultaneously runs as Cook B11

CR 7 7.10 11.43 IL 64 (North Avenue) in West Chicago IL 53 (Columbine Avenue) in Lombard St. Charles Road 01937-01-011937 current Overlaps CR 23 (Gary Avenue) in Carol Stream and CR 21 (Geneva Road) in Glen Ellyn; St. Charles Road continues west to a local business in West Chicago and east to 4th Avenue in Maywood; formerly known as Illinois Route 118

CR 8 IL 19 (Irving Park Road) Devon Avenue North York Road Northern segment
CR 8 Golf Club Entrance 400 feet (120 m) south of Spring Road South York Road Central segment
CR 8 2.85 4.59 I-55 North Frontage Road/Joliet Road CR 35 (55th Street) Madison Street Southern segment

CR 9 US 34 (Ogden Avenue) IL 56 (Butterfield Road) Main Street – Downers Grove, Highland Avenue Northern segment
CR 9 South DuPage–Cook county line (Bluff Road) CR 35 (55th Street) Lemont Road, Main Street – Downers Grove Southern segment

CR 10 Devon Avenue IL 19 (Irving Park Road) Arlington Heights Road, Prospect Avenue Arlington Heights Road continues north as Cook V69

CR 11 West DuPage-Kane county line in Wayne IL 53 (Rohlwing Road) in Addison Army Trail Road Army Trail Road continues west to IL 25 near Wayne and East to John F. Kennedy Drive in Addison

CR 13 CR 53 (Diehl Road) in Warrenville IL 38 (Roosevelt Road) in Winfield Winfield Road

CR 14 4.35 7.00 East New York Street in Aurora IL 56 (Butterfield Road) in Aurora Eola Road

CR 15 US 34 (Ogden Avenue) in Westmont IL 38 (Roosevelt Road) in Oakbrook Terrace Summit Avenue, Midwest Road, Cass Avenue Northern segment
CR 15 Sawmill Creek CR 35 (55th Street) South Cass Avenue Southern segment

CR 17 Julian Street in Naperville Dunham Road in Downers Grove Maple Avenue, Chicago Avenue

CR 18 IL 38 (Roosevelt Road) IL 64 (North Avenue) Powis Road, Hawthorne Lane, Kress Road Southern segment
CR 18 CR 29 (Stearns Road) North DuPage–Cook county line Munger Road Northern Segment. Munger Road continues north as Cook V44

CR 20 2.44 3.93 US 20 (Lake Street) East DuPage–Cook county line (County Line Road) Grand Avenue Grand Avenue continues east through Cook County to US 41 (Lake Shore Drive) in Chicago

CR 21 IL 59 (Neltnor Boulevard) in West Chicago Main Street – Glen Ellyn in Glen Ellyn Geneva Road, Washington Street Eastern segment
CR 21 West DuPage-Kane county line IL 38 (Roosevelt Road) Fabyan Parkway Western segment

CR 22 2.29 3.69 US 20 (Lake Street) in Addison IL 19 (Irving Park Road) in Itasca Addison Road Addison Road continues north to Thorndale Avenue in Itasca as Prospect Avenue, and south to St. Charles Road in Villa Park

CR 23 US 34 (Ogden Avenue) in Naperville IL 38 (Roosevelt Road) in Wheaton Naper Boulevard, Naperville Road Southern segment
CR 23 7.68 12.36 CR 27 (Jewell Road) in Wheaton DuPage–Cook county line south of IL 390 near Roselle Gary Avenue Northern segment

CR 24 4.23 6.81 CR 11 Army Trail Road near Glendale Heights IL 390 (Elgin-O'Hare Tollway) in Medinah Walter Drive, Byron Avenue, Medinah Road Lightly used county road

CR 25 US 34 (Ogden Avenue) in Downers Grove IL 38 (Roosevelt Road) in Lombard Meyers Road, Fairview Avenue

CR 26 4.0 6.4 800 feet (240 m) West of Park Boulevard in Elk Grove Village North York Road in Bensenville Thorndale Avenue 02017-01-012017 Thorndale Avenue continues west to I-290 and IL 390; this highway was replaced by IL 390 in November 1, 2017

CR 27 CR 43 (County Farm Road) CR 23 (Gary Avenue) Jewell Road Eastern segment
CR 27 CR 21 (Geneva Road) near West Chicago Winfield Road Highlake Road, Prince Crossing Road Western segment

CR 28 IL 64 (North Avenue) in Villa Park Devon Avenue in Elk Grove Village Villa Avenue, Wood Dale Road Villa Avenue continues 3.20 miles (5.15 km) south to St. Charles Road in Villa Park

CR 29 West DuPage–Kane county line in Wayne CR 6 (South Bartlett Road) in Bartlett Stearns Road Western segment
CR 29 CR 43 (County Farm Road) in Hanover Park US 20 (Lake Street) in Hanover Park Greenbrook Boulevard Eastern segment

CR 31 CR 9 (Lemont Road) in Darien East DuPage–Cook county line (County Line Road) Plainfield Road Eastern Segment. Plainfield Road continues east as Cook B37
CR 31 West DuPage-Will county line in Woodridge , 500 feet (150 m) west of CR 56 (Woodward Avenue) CR 9 (Lemont Road) in Darien 87th Street Western segment

CR 32 US 34 (Ogden Avenue) in Naperville CR 3 (Ferry Road), CR 32 (Warrenville Road) in Warrenville Mill Street
CR 32 CR 1 (River Road) CR 3 (Ferry Road/Warrenville Road), CR 32 (Mill Street) Warrenville Road

CR 33 14.47 23.29 US 34 (Ogden Avenue) in Aurora IL 83 (Kingery Highway) in Willowbrook 75th Street Longest county highway in DuPage County

CR 34 4.74 7.63 East DuPage–Cook county line CR 9 (Highland Avenue) 31st Street/Oak Brook Road

CR 35 5.25 8.45 Dunham Road East DuPage–Cook county line (County Line Road) 55th Street

CR 36 3.55 5.71 CR 21 (Geneva Road) in Wheaton CR 11 (Army Trail Road) in Bloomingdale Schmale Road Schmale Road continues south of Geneva Road as Main Street to Farnham Lane in Wheaton

CR 38 CR 2 (Hobson Road) in Woodridge CR 8 (Madison Street) in Willowbrook 63rd Street

CR 40 CR 33 (East 75th Street) in Naperville CR 3 (Warrenville Road) in Lisle Wehrli Road, College Road, Yackley Avenue

CR 41 0.31 0.50 Janes Avenue near Downers Grove CR 2 (Belmont Road) in Downers Grove Hobson Road 02021-01-012021 No longer a county highway as of 2021

CR 43 9.11 14.66 IL 38 (Roosevelt Road) in Wheaton DuPage–Cook county line south of US 20 (Lake Street) in Hanover Park County Farm Road County Farm Road continues north to US 20 (Lake Street), then as Barrington Road through Cook County to IL 59

CR 47 West DuPage–Kane county line Liberty Drive Illinois Prairie Path – Aurora Branch
CR 47 Carlton Avenue East DuPage–Cook county line (I-294 [Tri-State Tollway]) Illinois Prairie Path – Main Stem

CR 48 Liberty Street West DuPage–Kane county line Illinois Prairie Path – Elgin Branch

CR 49 West DuPage–Kane county line (300 feet [91 m] south of IL 56 [Butterfield Road]) I-88 (Ronald Reagan Memorial Tollway)
IL 110 (CKC)
Illinois Prairie Path – Batavia Spur

CR 50 1.29 2.08 CR 43 (County Farm Road) in Hanover Park CR 23 (Gary Avenue) in Bloomingdale Schick Road Schick Road continues west to IL 59 in Bartlett and east to Glen Ellyn Road in Bloomingdale

CR 51 1.1 1.8 CR 3 (Warrenville Road) near Naperville IL 56 (Butterfield Road) near Wheaton Herrick Road

CR 52 0.2 0.32 US 34 (Ogden Avenue) CR 3 (Warrenville Road) Cross Street Shortest county highway in DuPage County

CR 53 CR 1 (Raymond Drive) near Naperville CR 32 (Mill Street) in Warrenville Diehl Road

CR 54 1.29 2.08 CR 7 (St. Charles Road) near Glen Ellyn Collins Avenue in Glendale Heights Swift Road Swift Road continues north to Nordic Road in Bloomingdale

CR 55 Illinois Prairie Path – Elgin Branch East of Salt Creek/West Street Great Western Trail

CR 56 1.63 2.62 CR 33 (75th Street) in Woodridge CR 31 (87th Street) in Woodridge Woodward Avenue

CR 57 West DuPage–Kane county line (Kautz Road) CR 43 (County Farm Road) in Winfield Illinois Prairie Path – Geneva Spur

CR 59 0.28 0.45 I-88 (Ronald Reagan Memorial Tollway)
IL 110 (CKC) in Naperville
CR 3 (Warrenville Road) in Naperville Freedom Drive 02012-01-012012 current

CR 60 0.3 0.48 Prospect Avenue in Itasca Arlington Heights Road in Itasca North Thorndale Avenue, Ketter Drive 02018-11-012018 current Westbound only, western segment

CR 61 0.3 0.48 Prospect Avenue in Itasca Arlington Heights Road in Itasca South Thorndale Avenue 02018-11-012018 current Eastbound only, western segment
CR 61 2.5 4.0 Mittel Drive in Wood Dale York Road in Bensenville South Thorndale Avenue 02018-11-012018 current Eastern segment


  1. ^ Federal Highway Administration (2009). Manual on Uniform Traffic Control Devices for Streets and Highways (PDF) (2009 ed.). Washington, DC: Federal Highway Administration. Retrieved February 27, 2010.
  2. ^ DuPage County (October 11, 2012). "Listing of DuPage County Highways and Trails". DuPage County. Archived from the original on August 22, 2015. Retrieved August 7, 2015.
  3. ^ Illinois Technology Transfer Center (2005). "T2 GIS Data". Illinois Department of Transportation. Retrieved April 7, 2006.[dead link]