Investigation notice

TSB launches investigation into wheel cracks on Ottawa Light Rail Transit vehicles

Gatineau, Québec, 10 July 2020 — The Transportation Safety Board of Canada (TSB) is conducting a class 3 investigation after cracks were found on a total of four wheels on three separate Ottawa Light Rail Transit (OLRT) vehicles during maintenance and inspection activities.

See 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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