Montreal commuters faced a rough start to Tuesday morning after the Réseau express métropolitain (REM) reported a network-wide technical issue that slowed trains during peak travel time — before escalating into a broader service interruption across the system.
According to updates shared by the REM’s official info-service account, the problem affected the entire network and prompted a major disruption right as riders were heading to work, school, and morning appointments across the Greater Montreal area.
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A rush-hour slowdown that turned into a full interruption
Early reports described the REM operating at reduced speed around the height of the morning rush. In updates carried by local media, the REM attributed the delay to a “technical problem” and did not immediately provide further details on what triggered the disruption.
Within the same morning window, the situation worsened. CityNews Montreal reported that after initially describing delays, the REM later indicated the service was down across the network, with the resumption time undetermined at the time of their update.
TVA Nouvelles similarly reported that the issue was impacting the entire REM network during the rush hour period, citing the transit agency’s public updates and noting that riders were left waiting for clarity on timing.
Shuttle options were put in place
For commuters stuck mid-journey — or preparing to leave home — the most important practical detail was that alternative travel options were made available. TVA Nouvelles reported that a shuttle service was implemented to help move passengers while train service was disrupted.
If you’re affected by a disruption like this, the fastest way to confirm the latest operational message (and see any posted alternatives) is to check the official REM status pages before you head out. The REM publishes live network updates on its official service pages, including service advisories and planned interruptions: REM Network Status.
Why this disruption feels especially disruptive
Any transit delay can be frustrating — but a system-wide slowdown during rush hour tends to create a ripple effect: crowded platforms, missed transfers, and unpredictable commutes. And because the REM is used as a key connector for many riders moving between the South Shore, the West Island, and downtown Montreal, even short disruptions can quickly spill into buses, metros, and rideshares.
CityNews also pointed to reporting from Journal de Montréal suggesting the REM has faced repeated outages since the opening of the Deux-Montagnes branch, adding to a growing sense of commuter fatigue when unexpected interruptions happen during peak hours.
What commuters can do right now
- Check official status first: Before leaving, confirm the current message on the REM Network Status page.
- Build in buffer time: If you must travel, plan extra time for longer waits, crowding, or detours.
- Look for posted alternatives: When interruptions are network-wide, shuttle plans may change quickly — follow the agency’s official updates closely.
- If you’re already en route: Station staff announcements and on-site signage often reflect the latest operational guidance.
Tuesday’s event underscores how quickly a “slowdown” can become a wider disruption when a technical issue affects the entire system during the busiest part of the day. At the time of the latest reports, the resumption time was not confirmed, and riders were urged to use alternative options where available.
Read more from local reporting: TVA Nouvelles’ coverage is here: REM: ralentissement / interruption sur l’ensemble du réseau. CityNews Montreal’s update is here: REM service down across network during rush hour.
