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GO train ‘disabled’ outside Union Station, causing Toronto commuter delays

A Toronto-bound GO train kicks up snow at a crossing in Innisfil, Ont., after a large storm blanketed the region on Thursday, Jan. 15, 2026. THE CANADIAN PRESS/Christopher Drost

Commuter train services in and out of Toronto’s downtown are still facing massive delays heading into the late afternoon after a signal issue “disabled” a train west of Union Station during rush hour.

On Monday morning, provincial transit agency Metrolinx said one of its GO trains was “disabled” near Union Station in an incident where no one was injured.

“Repair personnel are working on the issue as quickly as possible, however there are significant delays throughout the network,” a spokesperson for the agency said in a statement.

“If you are travelling into Union Station, please consider taking the TTC as an alternate option. UP Express service is currently suspended until further notice.”

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The transit agency said a train leaving Union Station at 8:16 a.m. Monday encountered an issue with the switch signal that led to the rear of the train to “come off the track at low speed.”

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The disabled train had a major impact on travel, reducing service across the board.

“Service has been significantly impacted across the GO and UP Express network and customers can expect continuing delays this evening,” Metrolinx said.

“Service has resumed on the UP Express on a 30-minute schedule and we are confirming a plan for service this evening, which will be communicated in advance of rush hour.”

Metrolinx said the following services would be in place on Monday evening:

  • Lakeshore East Line: 30‑minute service.
  • Lakeshore West Line: 30‑minute service.
  • Kitchener Line: 30‑minute service; no Bramalea turnbacks; express trains will be making all stops.
  • UP Express: Operating on a 30‑minute frequency.
  • Milton Line: Four outbound trips from Union at 16:10, 17:10, 18:10, and 19:10, all departing from Track 10.
  • Barrie Line: Hourly bidirectional service.
  • Richmond Hill Line: 60‑minute homebound service.
  • Stouffville Line: 60‑minute homebound service.

There is no timeline yet for the train to be moved and normal service to resume.

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