Ramp and Lane Closures Set for I-64 and Illinois 159 Interchange in St. Clair County

FAIRVIEW HEIGHTS – The Illinois Department of Transportation today announced ramp and lane closures at the Interstate 64 and Illinois 159 interchange in St. Clair County for ramp maintenance work.

Starting at 9 a.m. Tuesday, May 26, the following ramps will close:

• Southbound Illinois 159 to westbound I-64
• Northbound Illinois 159 to westbound I-64
• Westbound I-64 to Illinois 159

At the same time, northbound Illinois 159 will be reduced to one lane at I-64. Two northbound lanes are expected to reopen by 6 a.m. Thursday, May 28.

All ramps are expected to reopen by 6 a.m. Friday, June 5, weather permitting.

This work is part of an ongoing improvement project scheduled for completion in 2027. Additional temporary lane and ramp closures will be required throughout the project, and all traffic impacts will be announced in advance.

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.

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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