Crash at Westheimer exit on Sam Houston Pkwy

A major crash at the Westheimer exit on Sam Houston Parkway South brought the morning to a halt Sunday. The incident happened at 7:36 AM, disrupting what had been a relatively light early-morning drive for Houston-area commuters.

The crash blocked multiple lanes at one of the busier exit points along the Sam Houston corridor in Harris County. Crews responded quickly, but the backup built fast given the location's prominence as a major interchange connecting two significant routes.

Harris County saw 17,973 incidents over the past 30 days, according to LocalTrafficAccidents.com data, with 14 of those fatal. Sunday morning crashes, even on a weekend when traffic is typically lighter, can cause outsized delays because drivers aren't expecting the backup.

The exact nature of the vehicles involved and injury status aren't yet available, but the designation as a major crash indicates significant impact to traffic flow. Emergency responders were on scene working to clear the roadway and gather information.

If you're heading in that direction, you'll want to check current conditions before heading out. The Sam Houston Parkway corridor is a major feeder route, and backups here affect multiple directions of travel. Local surface streets may offer an alternative, though they'll likely see spillover traffic as well.

Updates should come as the scene is cleared and investigators document the incident. Sunday mornings are typically less congested than weekday rush hours, which means this crash is hitting a lighter volume — but it's still shutting down a critical interchange during a time when people are running errands or heading out for the day.