News Flying wheel accident on 400 leaves female driver with serious injuries SHARE ON: James Wood, staff Wednesday Jun. 12th, 2019 Image of the damage to the car's interior, supplied by the OPP. ALLISTON, ON- A woman from Barrie has suffered major injuries after a tire flew off a vehicle on Highway 400 today. According to the OPP, the 29 year old had been driving on the southbound lanes of the highway close to the junction with Highway 89 in Alliston, when a vehicle in the northbound lanes lost a wheel. The wheel bounced into the southbound lanes and collided with the woman’s vehicle. She was taken from the scene via air ambulance. The highway was closed in both directions after the incident occurred, but has re-opened to one lane in both directions.