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Work will close all lanes on westbound I-55/70 in St. Clair County

EAST ST. LOUIS – The Illinois Department of Transportation announced that the previously-scheduled full closure on westbound Interstate 55/70 from Illinois 203 to the Interstate 55/70/64 split in East St. Louis has been rescheduled to begin on Friday, Aug. 4, weather permitting.

roadworkaheadlogoStarting at 9 p.m. Friday, westbound Interstate 55/70 will be closed from Illinois 203 to Interstate 55/70/64. A posted detour will direct traffic to take southbound Interstate 255 to westbound Interstate 64 to access westbound Interstate 55 or Interstate 70. Westbound Interstate 55/70 traffic will not be able to travel west of Illinois 203. The closure is necessary for bridge repairs on a bridge west of Illinois 203.

The closures are expected to reopen by 5 a.m. Monday, Aug. 7.

The contractor on this project is Keeley & Sons Inc., of East St. Louis.

Follow IDOT’s Twitter page to find details on other construction projects in IDOT’s District 8. Updates on the impacts to traffic are available at

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