Screenshot via Youtube
A Toronto dump truck driver has been charged with careless driving following an incident Thursday during which the box on his truck smashed into an overpass on Highway 401.A Youtube video shows the truck travelling along Highway 401 and nearing the Highway 400 overpass with its box raised in the air. The box then smashes into the overpass, rips off the truck, and stays put as the truck continues driving.The 22-year-old driver was not injured, according to Ontario Provincial Police.Ontario Provincial Police Staff Sgt. Dean Korn told CP24 there were no drugs or alcohol involved. No other cars were impacted by the crash, however westbound traffic on the busy highway was stalled.Follow Manisha Krishnan on Twitter.