Drivers on the Grand Parkway are facing major delays after an 18-wheeler overturned and spilled hazardous materials Thursday morning.
The Harris County Sheriff’s Office says the crash happened in the southbound lanes of SH-99 near West Road. Deputies arrived to find the 18-wheeler overturned, blocking multiple lanes of traffic.
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As of 10 a.m. Emergency crews are on site managing a hazardous materials spill from the truck.
No injuries have been reported, but drivers are urged to avoid the area and seek alternate routes.
Traffic alert: HCSO District 4 Units responded to the 8581 Grand Parkway N near West Rd in reference to a Major Crash. There is an 18-wheeler overturned and blocking all South bound lanes of traffic. No injuries reported. @HCSOTexas @SheriffEd_HCSO @TxDOTHouston pic.twitter.com/7hFuSq4BiF
— Terry Garza, LT (@HCSO_TerryGarza) May 29, 2025
You can track traffic updates and alternate routes live on KPRC 2+ throughout the morning.