A switch problem is causing significant slowdowns on the REM light rail system in Montreal, affecting service from Bois-Franc to Anse-à-l'Orme and Deux-Montagnes.
Service Disruptions
Commuters are experiencing delays as trains are forced to reduce speed due to a malfunctioning switch. The issue was first reported early Tuesday morning, according to a statement from CDPQ Infra, the operator of the REM.
“A technical issue with a switch has necessitated reduced speeds on the affected segments to ensure safety,” a spokesperson said. “We are working to resolve the problem as quickly as possible.”
Impact on Commuters
The slowdowns are causing extended travel times for passengers on the West Island and Deux-Montagnes lines. The REM, which opened its West Island extension in May 2026, has faced intermittent technical issues since its launch.
According to CDPQ Infra, the switch problem is isolated to the Bois-Franc area, but the effects are rippling through the network. No timeline has been provided for a full resolution.
Background
The REM is a 67-kilometer automated light rail network serving the Montreal region. It has been touted as a key transit solution, but technical glitches have plagued its rollout. The latest issue adds to commuter frustration, as ridership numbers have been growing steadily since the West Island line opened.
