Illinois Department of Transportation

06/18/2026 | Press release | Distributed by Public on 06/18/2026 13:11

Weekend lane closures on westbound I-55/70 begin June 20

MADISON - The Illinois Department of Transportation today announced weekend lane closures on westbound Interstate 55/70 in St. Clair County to allow for bridge maintenance.

Beginning at 5 a.m. Saturday, June 20, weather permitting, westbound I-55/70 will be reduced to one lane between Illinois 203 and Exchange Avenue.

All lanes are expected to reopen by 6 p.m. Sunday, June 21.

Motorists should expect long delays and are encouraged to use alternate routes during this closure. Drivers are urged to reduce speed, be alert for changing conditions, obey all construction signage, and refrain from using mobile devices while approaching and traveling through the work zone.

For IDOT District 8 updates, follow us on the social media platform X at @IDOTDistrict8 or view area construction details on IDOT's traveler information map on GettingAroundIllinois.com.

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Illinois Department of Transportation published this content on June 18, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on June 18, 2026 at 19:11 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]