Buffalo Grove, ILBuffalo Grove

Did you know that some roads in Buffalo Grove are owned and maintained by Cook County (CCDTH), Lake County (LCDOT), or the State of Illinois (IDOT)?
Click here for more information. 

Interested in learning about current or upcoming projects being done by external organizations?
Lake Cook Road

Please click here for project updates and to sign up for Cook County's E-newsletter.  

Please click here for a project overview and timeline. 

Please note: This project is not confined to Lake Cook Road; construction (and lane closures) will occur on proximal areas of Buffalo Grove Road, Weiland Road and Route 83. 

Weiland Road

For the latest updates, time-lapse progress photos and drone footage, see Lake County’s project page here.
As of December 1, 2021 The Village of Buffalo Grove owns and maintains Weiland Rd. Warranty work though the Lake County Division of Transportation will be valid for one year after construction end.  

Buffalo Grove Road

For the latest updates please visit the Lake County Buffalo Grove Road Construction Page to remain informed. Visit that page by clicking here where you can view the schedule and signup for updates from Lake County.