Lane Closures Announced on West Highway 50 in St. Clair County

IDOT warns drivers to expect delays due to bridge construction through summer 2026

Published on Feb. 10, 2026

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The Illinois Department of Transportation (IDOT) has announced lane closures on West Highway 50 at Interstate 64 in St. Clair County, Illinois, starting on Monday, February 9, 2026. The closures will reduce traffic to one lane in each direction to allow for bridge construction and are expected to remain in place through early summer 2026.

Why it matters

The lane closures on this major highway will likely cause significant delays for drivers in the area, requiring them to seek alternate routes. This construction project is part of IDOT's ongoing efforts to maintain and improve the state's transportation infrastructure.

The details

The lane closures on West Highway 50 at I-64 will begin at 7 a.m. on Monday, February 9, 2026, weather permitting. Traffic will be reduced to one lane in each direction to accommodate the bridge construction work. IDOT has advised drivers to expect delays and use alternate routes during this closure.

  • The lane closures will begin at 7 a.m. on Monday, February 9, 2026.
  • The lane closures are expected to remain in place through early summer 2026.

The players

Illinois Department of Transportation (IDOT)

The state agency responsible for maintaining and improving Illinois' transportation infrastructure, including highways, bridges, and other roadways.

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The takeaway

Drivers in the St. Clair County area should plan ahead and allow extra time for their commutes during the upcoming lane closures on West Highway 50. Utilizing alternate routes and staying alert for changing traffic conditions will be crucial to navigating this construction project.