A 22-year-old man was airlifted to hospital after a collision in Uxbridge Friday.
Durham Regional Police say it happened around 3 p.m. Friday on Lakeridge Road and Davis Drive.
Lakeridge was closed for about four hours.
Emergency crews say the collision involved a car and transport truck.
The man airlifted to hospital from the scene was in serious condition.
Ornge air ambulance said there was one other patient, but the extent of their injuries isn't know.
The investigation of the collision continues.
With files from CP24