This is the kind of thing that happens when surfaces are not properly cleaned and or wheel not torqued. Once on properly, chances of a wheel coming off under normal conditions is zero.


A driver is in serious condition after a wheel flew off a SUV and struck a vehicle on a busy Ontario highway.
Ontario Provincial Police say the front left wheel came off a SUV travelling south on Highway 400 Saturday morning near the town of Innisfil, Ont., which is located about 88 km north of Toronto.


PHOTOS




One person was airlifted to hospital after a wheel struck a vehicle on a busy Ontario highway on Saturday, May 18, 2019. (OPP_HSD/ Twitter)



According to police, the wheel went flying into the northbound lanes of the highway and struck a car. The driver, a man in his 20s, suffered serious injuries and was airlifted to Sunnybrook Hospital.