REM power failure leaves riders stranded and trust shaken

Another service failure on Montreal’s Réseau express métropolitain has left passengers stranded on elevated tracks two storeys above ground, intensifying frustration with the troubled driverless rail line and prompting some regular riders to consider other ways of getting around the city.

Passengers stuck between stations as trains lose power

According to recent accounts shared by riders and summarized in local coverage, a REM train operating on the South Shore branch lost power mid-route, stopping between stations and trapping passengers in cars perched high over the surrounding roadway. With the system running on elevated guideways over the Champlain Bridge corridor, those on board described being stuck some two storeys above ground as the cars sat motionless.

Reports indicate that the train remained immobilized long enough for crowds to build on platforms at nearby stations such as Panama and Brossard, compounding delays across the evening rush. Some riders described watching other trains sit idle on adjacent tracks, with little real-time information provided about what was happening or how long it would last.

Service slowdowns and interruptions have been reported repeatedly over the past several weeks on the REM. Local broadcasters have documented incidents ranging from power supply problems to equipment failures that have forced trains to halt between Gare Centrale in downtown Montreal and key South Shore stations.

While the operator has stated in past incidents that shuttle buses and alternative travel options are deployed when interruptions exceed a certain duration, riders caught on the elevated sections have limited choices until power is restored or trains can be moved to the nearest platform.

Growing pattern of breakdowns on a showcase network

The latest stoppage follows a string of REM disruptions this summer involving various parts of the network, including segments between downtown and the South Shore and sections serving the Mount Royal tunnel corridor. Published reports in recent weeks have highlighted multi-hour service interruptions at peak times, often linked to technical issues with rolling stock or electrical equipment.

Coverage from Montreal news outlets has described afternoon and evening rush-hour trips cut short between stations such as Canora, Côte-de-Liesse, Gare Centrale and Panama, with trains halted on the line and passengers asked to disembark and search for alternate routes. On other days, the system has operated at reduced speed, with trains taking significantly longer than scheduled to reach their destinations.

These recurring problems come as the REM continues to expand. The initial South Shore branch opened in 2023, with subsequent phases bringing the automated system through the Mount Royal tunnel and out toward the West Island and Deux-Montagnes. Promotional material from the project and from contractors involved has emphasized the network as a model for modern, automated rail service in North America.

Instead, a summer of repeated disruptions has given rise to what one recent analysis in the francophone press described as a mounting “crisis of confidence” around the project. Commentators note that while large rail systems often experience growing pains, the visibility and frequency of REM incidents have become a central topic in Montreal’s public transit debate.

Riders weigh buses, bikes and cars amid uncertainty

As issues pile up, some commuters who had embraced the REM as a reliable alternative to driving are now reconsidering their daily habits. Social media discussions show riders calculating whether to plan extra time around potential breakdowns, shift back to the Montreal Metro, or rely more heavily on buses, bicycles and private cars.

Several recurring themes emerge from these user accounts. Riders describe missing work appointments, daycare pickup times and long-planned social events because of sudden mid-route stoppages. Others explain that they now check transit apps and community forums before leaving home, scanning for reports of problems on the REM before committing to a trip that depends on it running smoothly.

Publicly available information from regional transit agencies outlines formal contingency plans, including shuttle buses and suggested alternative routes when REM service is disrupted. However, recent rider testimony suggests that implementation can feel uneven on the ground, particularly when large crowds are moved suddenly from trains to bus stops or when failure points occur on elevated sections where evacuation is impractical.

For travellers headed to and from the South Shore, the looming decision is often whether to trust that the REM will complete the trip as scheduled or revert to slower but perceived-as-safer options such as conventional buses over the Champlain Bridge or car travel across the river.

Pressure builds for clearer communication and long-term fixes

With each high-profile incident, scrutiny is increasing on how the REM operator communicates with passengers during disruptions and what long-term technical solutions are being implemented. Riders caught two storeys up on stalled trains have pointed to sparse announcements, inconsistent platform information and a lack of precise timelines as particular sources of stress.

Documentation from the REM itself describes a framework of text alerts, website updates and station notices designed to keep users informed about the status of the network and available alternatives when service is interrupted. Nonetheless, the latest outage has renewed calls in public discussion for more immediate, detailed and multilingual messaging inside trains and on platforms, especially during peak travel windows.

Transit advocates following the project argue that improving communication is only part of the challenge. They emphasize the need for robust redundancy in power supply, signaling and onboard systems so that a single equipment failure does not immobilize trains over open spans or within confined tunnel segments for extended periods. Observers also point to the importance of regular reporting on causes, fixes and follow-up testing so that users can see evidence of progress.

Meanwhile, Montreal’s broader transit ecosystem is being tested by the REM’s uneven performance. As buses, commuter trains and metro lines absorb passengers diverted during outages, the reliability of the region’s flagship rail project remains under close watch by daily commuters and occasional travellers alike, who are still waiting for a level of service that matches the network’s ambition.

Implications for future airport and regional links

The REM is designed to be more than a local commuter line. Long-range plans envision the system as a backbone for regional links, including proposed connections to a new South Shore airport and expanded service to fast-growing suburbs. The image of passengers trapped high above ground on a stalled train has sharpened questions about how the network will handle even greater responsibilities in the years ahead.

Transport planners and commentators note that airport rail links, in particular, demand an especially high degree of reliability, given the cascading impacts of missed flights and tight transfer windows. The recent elevated-stranding incident, coupled with other summer shutdowns, is fueling discussion about whether additional safeguards and backup procedures will be required before the REM takes on that role.

In the near term, the experiences of riders left waiting in stalled cars two storeys up appear to be reshaping public expectations. The REM’s promise of fast, frequent, automated service still appeals to many Greater Montreal travellers, but patience is wearing thin. How swiftly and transparently the operator can resolve the underlying issues may determine whether passengers remain loyal to the system or increasingly turn to buses, bikes and cars when planning their next trip around the region.