I-55/70 Closure In Madison County Begins July 11
COLLINSVILLE – The Illinois Department of Transportation today announced that a full closure of Interstate 55/70 southbound/westbound between Illinois 159 and Illinois 157 in Madison County will start, weather permitting, at 9 p.m. Friday, July 11, 2025, for bridge repairs. The closure is expected to remain in place for 17 days. During that time, motorists should follow the marked detour as follows: Motorists heading southbound/westbound on I-55/70 should take I-270 westbound to I-255 southbound to reconnect with I-55/70 southbound/westbound. Drivers between Illinois 159 and I-270/I-70 westbound who need to travel southbound/westbound on I-55/70 should travel north to access the detour and follow it back to I-55/70. Access to Illinois 162 and U.S. 40 will remain open. All lanes are scheduled to reopen by 5 a.m. Monday, July 28. Motorists should allow extra travel time for trips, especially during the first few days of the closure, and pay attention to additional signage
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