Illinois Department of Transportation

05/01/2026 | Press release | Distributed by Public on 05/01/2026 13:18

Lane and ramp closures on I-55/70 in St. Clair County begin May 4

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

Beginning at 6 a.m. Monday, May 4, traffic will be reduced to two lanes on eastbound I-55/70 between Illinois 203 and Exchange Avenue.

In addition, beginning at 6 a.m. Monday, May 4, the ramp from westbound I-64 to eastbound I-55/70 will be closed.

All lanes, including the ramp, are expected to reopen by 6 a.m. Wednesday, May 6.

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 May 01, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on May 01, 2026 at 19:18 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 If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]