HOUSTON, TEXAS (KTRK) -- Law enforcement is investigating a major crash on the eastbound lanes of the S. Sam Houston Tollway at W. Airport, according to the Harris County Toll Road Authority.
The video above is ABC13's 24/7 livestream.
HCTRA said in a tweet that the major crash involves possible life-threatening injuries.
Authorities warn drivers to expect delays as traffic is being diverted at the W. Airport exit.
It is unclear what led to the crash. This is a developing story.