Houston TranStar verified the hazmat spill at 4:38 a.m. Traffic cameras showed an 18-wheeler on its side when crews were working to clear the scene.
The roadway was reopened just before 9:30 a.m., and it's unclear what led to the crash.
ABC13 has real-time traffic data to help you navigate Houston's roads and avoid traffic delays.
[Ads /]
Sign up for traffic alerts that are sent straight to your phone through our ABC13 app. Manage your notifications from the settings tab.
Live traffic map