Lac-Mégantic Railway Bypass Project

Transport Canada is proposing the construction of a Lac-Mégantic railway bypass of 12.5-kilometre long, which crosses the City of Lac-Mégantic and the municipalities of Frontenac and Nantes, in Quebec. Canadian Pacific Kansas City is responsible for the plans and specifications and construction of the bypass. As proposed, the railway bypass project includes a railway bridge over the Chaudière River as well as Villeneuve and Wolfe streets, a public road bridge over the railway, two public tunnels under the railway one for pedestrians and one for off-road vehicles as well as two public level crossings. The project also includes the construction of five private crossings, comprising of two tunnels, a bridge and two at-level crossings. Finally, the project also plans to set up two railway yard tracks covering an area of about 2 hectares in the City of Lac-Mégantic's Industrial Park.

Latest update

June 22, 2023 — On June 1st, 2023, the Minister of Environment and Climate Change (the Minister) received a request (French only) to designate the Lac-Mégantic Railway Bypass Project proposed by Transport Canada. The President of the Impact Assessment Agency of Canada, on behalf of the Minister, issued his response regarding the request to designate the project. The reasons are provided in his response.


Key documents

Key documents
Document Number Document Title File Date
1 President's Response on behalf of the Minister - June 22, 2023


Lac-Mégantic Railway Bypass Project
Impact Assessment Agency of Canada
901-1550, Estimauville Avenue
Québec, Quebec G1J 0C1
Telephone: 418-649-6444

  • Location

    • City of Lac-Mégantic (Quebec)
  • Nature of Activity

    • Railways
  • Assessment Status

  • Proponent

    Transport Canada
  • Authorities

    • Impact Assessment Agency of Canada
  • Assessment Type

    Assessment not applicable
  • Reference Number


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.


Nearby assessments

...within 200 kilometres
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