Line 3 Scarborough to remain closed for at least three weeks as derailment investigation continues

The TTC is today confirming the comprehensive investigation into the July 24 derailment on Line 3 Scarborough will take at least another three weeks to complete. Frequent bus shuttle service will continue to run.

A decision about the reinstatement of train service will only be made once the review is complete.

“I want to thank Scarborough residents for their patience as the TTC continues to investigate this very serious incident,” said Mayor Olivia Chow. “The safety of the public transit system is everyone’s top concern and the SRT service can only return when we know it is safe to do so.”

“The TTC Board stands behind every effort to ensure the root cause of this derailment is fully and thoroughly looked into,” said TTC Chair Jon Burnside. “CEO Rick Leary and his team are keeping us fully informed every step of the way and I am confident they will not rush into a decision without all the facts.”


“We have enlisted the support and help of some of the transportation industry’s leading experts in rail, infrastructure and vehicles to assist and ensure we are leaving no stone unturned,” said TTC CEO Rick Leary. “Safety is paramount to all we do and only once we know exactly what happened can we make a decision about the future operations of this line. In the meantime, we are making contingency plans to ensure we are providing the people of Scarborough with frequent and reliable transit options.”

On July 24 at 6:45 p.m. a southbound SRT train leaving Ellesmere Station had its trailing car derail approximately 500 feet from the station.


In addition to the investigation, the TTC is using this time to inspect the entire SRT fleet and the infrastructure’s structural integrity. The results of the investigation will inform next steps.

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