Effects of REM's construction have begun — and will get worse

It is supposed to relieve congestion, but construction of the region’s newest commuter train network will likely cause commuters several headaches.
The $6.3 billion Réseau express métropolitain will comprise 26 stations, extending from Deux-Montagnes north of Montreal to Brossard on the South Shore, serve the West Island, the airport in Dorval and downtown. The first stations are slated to open in 2021, and the full network will be up and running by 2023. The effects of the w