GLEN CARBON – The Illinois Department of Transportation today announced the full closure of the intersection of Illinois 157 and Illinois 162 in Madison County has been rescheduled to begin, weather permitting, at 7 a.m. Monday, March 16, 2026.
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During the closure, traffic will not be permitted on Illinois 157 and Illinois 162 at the intersection. Both eastbound and westbound Illinois 162 will be closed, and neither will have access to Illinois 157.
A signed detour will be in place as follows:
- Northbound Illinois 157: Interstate 55/70 westbound to I-255 northbound to I-270 eastbound to Illinois 157.
- Southbound Illinois 157: I-270 westbound to I-255 southbound to I-55/70 eastbound to Illinois 157.
- Westbound Illinois 162: Illinois 159 northbound to I-270 westbound to I-255 southbound to Illinois 162.
- Eastbound Illinois 162: I-255 northbound to I-270 eastbound to Illinois 159 southbound to Illinois 162.
The closure is necessary to construct two new bridges, a new signalized four-way intersection, and bike and pedestrian accommodations. Illinois 157 and the eastern leg of Illinois 162 are expected to be completed by Oct. 31. Completion of the overall $17.6 million project, including the western leg of Illinois 162, is expected by July 31, 2027.
