There were many traffic delays Wednesday night on Central Expressway in Plano after a driver hit a pedestrian and the responding ambulance wrecked near the scene.
It happened near Parker Road.
A man jumped into oncoming traffic and according to police was hit by multiple cars.
He was taken to Medical Center Plano in serious condition.
As a result of the accident, Plano police shut down a stretch of southbound 75 while they investigated.
Traffic backed up all way to McKinney, but the congestion has now cleared.
NBC 5's Ellen Goldberg contributed to this report.
