Lane closures on Illinois 203 in St. Clair County begin July 20

MADISON - The Illinois Department of Transportation today announced that lane closures on Illinois 203 from the Madison County line to Ohio Street will begin Monday, July 20, weather permitting, to accommodate construction of temporary crossovers as part of the first phase of a $13.8 million bridge replacement project.

One lane will remain open in each direction during this phase of construction. ​

The lane configuration is expected to remain in place through the end of August, weather permitting. Additional traffic impacts will be announced as construction progresses.

Motorists should expect 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.

Over the next six years, IDOT is planning to improve 7,107 lane miles of highway and 8.4 million square feet of bridge deck as part of Rebuild Illinois, which is investing $33.2 billion into all modes of transportation. Accomplishments through Year Six of Rebuild Illinois include almost $20.8 billion of improvements statewide to 21,309 lane miles of highway, 815 bridges and 1,181 additional safety improvements.

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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