Some roads in Buffalo Grove are owned and maintained by Cook County (CCDOTH), Lake County (LCDOT), or the State of Illinois (IDOT):

The following roads are outside the jurisdiction of the Village of Buffalo Grove and therefore are owned and maintained by the County they are located in, or the State, which hinders the authority of the Village regarding improvements and/or regulating access during construction, as well as signage. Any and all questions, problems, or concerns should be directed towards the appropriate agency. 

Cook County Department of Transportation and Highways Jurisdiction (CCDOTH):

  • Arlington Heights Road (South of Lake Cook Road)
  • Buffalo Grove Road (South of Lake Cook Road)
  • Lake Cook Road

Cook County Logo Website 20
(847) 827-1164

Lake County Department of Transportation (LCDOT) Jurisdiction:

Lake County Logo Website 20
(847) 377-7400

Illinois Department of Transportation (IDOT) Jurisdiction:

  • Dundee Road (Rt. 68)
  • Half Day Road (Rt. 22)
  • McHenry Road (Rt. 83)
  • Milwaukee Avenue (Rt. 45/Rt. 21)
  • Old Arlington Heights Road (maintained by Arlington Heights)

IDOT Logo - Website
(800) 452-4368
Do you have questions related to specific construction projects?Click on the logo below to be informed about the project as well as the opportunity to sign up for project updates.

Cook County Logo Website 20
Lake Cook Road
Reconstruction Project
Lake County Logo Website 20
Weiland Road
Reconstruction Project
IDOT Logo - Website
Buffalo Grove
Reconstruction Project
Berenice Alvarez
(847) 497-0860
Chris Allen
(815) 444-3233
Jeff Dayson
(847) 383-6676

If you don't know which agency maintains a given road, visit the Jurisdictional Boundaries map in our Community Portal. You can enter your address, or a nearby location, to discover which agency owns and maintains the road. 


arlington heights rd pic
lake cook rd pic
mchenry pic
n buffalo grove rd pic

Who's Listening?

The Public Works Department is listening! If there is a problem with a Village road, we are here to help.

Hours: 7:00 am - 3:30 pm Monday - Friday