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I-45 South and Longstreet shut after major wreck in Willis

September 22, 2026 at 11:44 AMBy Dennis R. Mundy, Executive Editor📍 Montgomery County

A major vehicle accident shut down the intersection of I-45 South and Longstreet Road in Willis at 11:44 AM on Tuesday, September 22, disrupting traffic in Montgomery County during the midday period.

Emergency crews responded to the crash, which blocked lanes at the busy intersection. The severity of the collision forced a significant traffic response in the area. No immediate information is available on when the intersection will fully reopen, but crews remain on scene managing the incident and clearing debris.

Monday was the 202nd traffic incident reported in Montgomery County over the past 30 days, according to LocalTrafficAccidents.com data. While the intersection of I-45 South and Longstreet Road doesn't have recent historical crash data on file, the volume of incidents across the county underscores the active traffic environment drivers navigate daily in this region.

If you're heading toward Willis on I-45 South or need to cross Longstreet Road, expect delays and consider alternate routes if possible. Crews are working to clear the roadway, but plan additional travel time through the area until the all-clear is given. Check real-time traffic apps for current conditions and estimated clearance times as the situation develops.

📍 Incident Location

Ih 45 South and Longstreet Rd Willis, TX 77378

Montgomery County, Texas

How This Report Was Produced

This report was produced by LTA's editor-designed production system under the executive editorial direction of Dennis R. Mundy, Executive Editor. The system combines our proprietary data pipeline with AI-assisted drafting to deliver verified incident coverage to LTA's editorial standards.

Read our full methodology →

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