News release

Associated links (R19D0065)

Investigation report: April 2019 Main-track derailment near L’Assomption

Dorval, Quebec, 8 November 2019 — Today, the Transportation Safety Board of Canada (TSB) released its investigation report (R19D0065) on the 24 April 2019 main-track derailment of a Canadian National Railway (CN) freight train on the Joliette Subdivision near L’Assomption, Quebec.

The TSB conducted a limited-scope, fact-gathering investigation into this occurrence to advance transportation safety through greater awareness of potential safety issues.

See the TSB investigation page for more information.


The TSB is an independent agency that investigates air, marine, pipeline, and rail transportation occurrences. Its sole aim is the advancement of transportation safety. It is not the function of the Board to assign fault or determine civil or criminal liability.

For more information, contact:
Transportation Safety Board of Canada
Media Relations
Telephone: 819-994-8053
Email: media@tsb.gc.ca

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