Montreal Metro Orange Line Shutdown Triggers Major Rush Hour Delays Before Service Restored

Montreal’s Tuesday morning commute was thrown off balance after a technical failure forced the STM to halt service on part of the Orange Line, leaving passengers facing delays during one of the busiest travel windows of the day.

The disruption started early in the morning, just before many workers and students began moving across the city. Service was first suspended at 5:53 a.m. between Côte-Vertu and Snowdon stations after the Société de transport de Montréal reported a problem involving signaling equipment.

As repair work continued, the interruption area was later reduced. Around 6:40 a.m., the affected section was narrowed to the stretch between Côte-Vertu and Du Collège stations, suggesting crews had made partial progress while still needing more time to fully restore operations.

The STM first indicated that service could return around 7:15 a.m., but that estimate was later pushed back to 7:40 a.m. Normal service eventually resumed at 7:37 a.m., ending an interruption that lasted more than an hour and affected riders across a key part of the network.

For real-time updates on metro interruptions and resumed service, passengers can use the official STM metro service status page.

The Orange Line is one of Montreal’s most important transit routes, serving major residential areas, transfer points and downtown-bound commuters. A shutdown on this line can quickly create wider pressure across the transport system, especially during the early morning rush.

Passengers travelling from the northwest part of Montreal were among those most likely to feel the impact. Anyone relying on Côte-Vertu, Du Collège or Snowdon stations had to wait for service updates, seek alternate bus connections or delay their trip until trains began moving again.

Signaling equipment is a critical part of metro operations. It helps manage train movement, spacing and safety across the network. When a signaling issue occurs, transit agencies often have little choice but to suspend or limit service until the system can be checked and cleared for normal operation.

Although the interruption was frustrating for riders, the gradual reduction of the affected area showed that STM crews were able to restore part of the line before bringing the full section back online. By 7:37 a.m., trains were running normally again.

Local rush-hour monitoring later showed the metro network back under normal conditions. The REM and commuter train services were also reported to be operating normally, while road traffic conditions were listed as stable.

The timing of the disruption made it more serious than a routine delay. Early morning interruptions can affect work arrivals, school schedules and transfer connections throughout the city. Even after service resumes, some passengers may still experience knock-on delays while station crowds clear and train spacing returns to normal.

Montreal has dealt with several transit interruptions in recent months, including incidents caused by technical problems and passenger-related emergencies. Swikblog recently reported on another metro disruption after a pepper spray incident forced a temporary shutdown during rush hour.

Tuesday’s Orange Line problem is another reminder for regular commuters to check official alerts before leaving home, particularly during peak travel hours. A short technical failure on a major metro line can quickly affect thousands of passengers and create delays far beyond the original section of track.

As of the latest update, service has resumed across the affected Orange Line section between Côte-Vertu, Du Collège and Snowdon, and Montreal’s metro system is operating normally again.

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