A crash on the West Sam Houston Tollway southbound at IH-10 Katy brought a morning slowdown around 10:09 AM on Tuesday, August 04, 2026.
The incident tied up southbound lanes during the mid-morning push, affecting drivers crossing between the Katy and southwest corridors. Crews responded to clear the roadway and restore traffic flow.
According to LocalTrafficAccidents.com data, this intersection has logged 6 incidents over the past 30 days—all classified as major. The corridor shows a sustained pattern: 19 major incidents in the past 90 days and 47 major incidents over the past 12 months. Tuesdays have been the most common incident day at this location, with 3 crashes recorded in the past 90 days.
Drivers looking to avoid the southbound backup can route via I-610 loop, the Westpark Tollway to the west, or Washington Ave and Memorial Drive for inner-loop segments. Typical southbound flow should resume as crews complete their work, though backups may persist through the late-morning period as traffic clears.
Harris County recorded 17,504 incidents over the past 30 days, including 24 fatalities, according to the LTA database.
West Sam Houston Tollway Southbound at IH-10 Katy
Harris County, Texas
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.