Full Closure of Illinois 157 and Illinois 162 Intersection Rescheduled for March 16, 2026

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The Illinois Department of Transportation has announced that 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. on Monday, March 16, 2026. The closure is necessary to construct two new bridges, a new signalized four-way intersection, and bike and pedestrian accommodations.

Why it matters

This intersection is a key transportation hub in the region, and the closure will cause significant disruptions to traffic flow. However, the upgrades are vital to improving safety and infrastructure in the area.

The details

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 to guide drivers around the closure. The $17.6 million project is expected to be completed by July 31, 2027.

• The full closure of the intersection will begin on Monday, March 16, 2026, at 7 a.m.
• Illinois 157 and the eastern leg of Illinois 162 are expected to be completed by October 31, 2026.
• The overall project, including the western leg of Illinois 162, is expected to be completed by July 31, 2027.

What’s next

Drivers should plan their routes and allow for extra travel time during the closure period.