The northbound left main lane of the Sam Rayburn Tollway (SRT) at Carrollton Parkway is now open following an 18-wheeler accident there this afternoon.

According to the North Texas Tollway Authority (NTTA), the northbound SRT Carrollton Parkway exit ramp and the northbound service road remain closed to traffic at this time.

This accident affects commuters headed to McKinney/Allen from the D-FW Airport.

All southbound SRT lanes are open.

The NTTA website,, along with roadway message boards have been activated to alert drivers of the accident and lane closures. The Texas Department of Transportation has also placed a portable message board on the north- and southbound lanes of Interstate 35 to alert drivers wishing to exit to northbound SRT.

The Department of Public Safety worked an 18-wheeler accident/vehicle fire on the northbound SRT at the Carrollton Parkway exit on Tuesday afternoon.  

Further information will be provided by the NTTA as it becomes available.