A major crash closed IH-10 westbound at SH-99 Lanier Parkway early Thursday morning, September 03, 2026, forcing a quick detour for drivers heading toward Katy. The wreck happened at 4:25 AM, and responding officers worked to clear the scene and restore traffic flow.
This intersection has seen eight incidents in the past 30 days according to LocalTrafficAccidents.com data — seven of them major crashes. Over the past year, 13 total incidents have occurred at this same location, with 11 classified as major. The pattern reflects what state crash records show: this stretch of IH-10 westbound at SH-99 has logged 1,828 crashes since January 2020, per TxDOT CRIS public crash records.
Contributing factors as recorded by the investigating officer, per TxDOT CRIS, show "Failed To Control Speed" as the leading factor, cited in 652 crashes at this corridor over the past six years. The early-morning hour and overcast conditions (82°F, cloud cover) were present at the time of impact.
If you're heading west on IH-10 toward Katy this morning, consider I-610 loop, Westpark Tollway (west), or Washington Ave / Memorial Dr for inner-loop segments as your best alternatives. Check LTA real-time data for current clearance status before you head out — early-morning incidents at this location can tie up the westbound lanes during the lead-up to the Thursday commute.
Sources: TxDOT Crash Records Information System and Local Traffic Accidents database. Counts through September 12, 2026.
IH-10 Katy Westbound at SH-99 Lanier Parkway
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.