A section of Highway 403 has been shut down, and a police officer has been rushed to hospital, after a crash on Thursday afternoon.
Ontario Provincial Police said they were called to Highway 403 and Dundas Street in Mississauga for a collision involving a motorcycle and a tractor-trailer.
The crash involved an officer with Toronto Police Service’s Motor Squad, according to a spokesperson for the force. They said the officer was taking part in a training exercise.

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Paramedics attended the scene, where they said one person was taken to a trauma centre in critical condition. Police later said that while the injuries were serious, they were not life-threatening.
“He was part of a training exercise that was being operated on Highway 403 when the collision took place,” said Ontario Provincial Police Sgt. Kerry Schmidt.
“It was part of a training exercise, so I don’t know what the dynamics were of that situation; that’s something that will come out as the investigation unfolds.”
The crash occurred around 3:30 p.m.; it was not immediately clear what led to the collision.
Schmidt said multiple officers were likely involved in the training exercise but he could not confirm the numbers.
OPP said the highway was closed westbound at Dundas Street for the investigation to take place.
“Please avoid the area and follow police instructions,” they said in a social media post.
OPP suggested the highway would remain closed into the evening.
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