Driver dies after vehicle crashes off NW Hwy onto the Dallas North Tollway

The Dallas Police Department and DPS are investigating a major accident with fatality overnight along southbound Dallas North Tollway at Northwest Highway.
At around 4:30am, a driver traveling on Northwest Highway crashed through a concrete barrier and onto the lanes of the Dallas North Tollway. The vehicle ended up on its roof with substantial damage.
The driver (sole occupant) of the vehicle was pronounced deceased at the scene by Dallas Fire-Rescue personnel.
No additional details have been released by officials at this time.