"We cannot have train doors open, obviously, when the train is in motion. The Toronto Transit Commission is investigating what it calls "an incredibly serious situation" after video surfaced online showing subway train doors stuck open as the vehicle travelled over the Bloor Street viaduct. Then TTC let the train go from Castle Franck to Broadview pic.twitter.com/Er0YC7ysr5 — @NEWSFORWORLDThe passenger said the train doors remained open as the car travelled between Castle Frank and Broadview stations. "When it pulled away from the station, the inertia and the propulsion of the train caused the doors to freewheel open," Ross said. TTC spokesman Brad Ross said that normally an open door on a moving subway would trigger a safety mechanism that would alert the driver and stop the train.

Source: CBC News May 28, 2016 14:48 UTC