A large portion of the green line of Montreal’s metro system is closed indefinitely due to structural concerns. A tweet from The STM around 5 p.m. said it shut down the line between Lionel Groulx and Frontenac for an “indefinite period” but did not explain why. A previous post said service would resume at 2 a.m. Source
STM shuts down large portion of green line indefinitely after finding cracks in tunnel
