Alto (high-speed rail)

Background

Several studies for Canadian high-speed rail have been created over the decades, but no project advanced to the design phase. In November 2022, the Canadian government announced the planning of a "high-frequency rail (HFR)" line on the Quebec City–Windsor Corridor. This project was called Via HFR.^[10] Via HFR was founded as a Crown corporation on November 29, 2022,^[1] under the official company name Via HFR – Via TGF and as a subsidiary of Via Rail,^[11] to "oversee what was initially pitched as a 'high frequency' rail project".^[12] Its headquarters was chosen to be Montreal and the President and CEO of the Montreal Port Authority Martin Imbleau [fr] was later chosen to be its CEO.^[2] The High Frequency Rail project would have involved constructing 1000 km of passenger-dedicated electrified track, with trains that travelled at average speeds of up to 200 km/h.^[13] The chosen private development partner would have designed, constructed, financed, operated, and maintained the high frequency rail service as well as existing local services.^[14]

Announcement

Alto was officially announced by Prime Minister Justin Trudeau in Montreal on February 19, 2025. It was announced as a revision of the Via HFR project, which was to now be a high-speed rail line from Quebec City to Toronto.^[10] The public entity known as Via HFR was renamed to Alto, and its responsibilities were set as defining the desired project outcomes, performing project management, and co-designing the system.^[5] Via Rail was assigned the role of providing advice on the technical and operational aspects of existing passenger railway services in the Quebec City–Windsor Corridor.^[15]

The federal government chose the design, construction, financing, operation, and maintenance of the rail network—also named Alto—to be the responsibility of the private Cadence consortium (which includes the French state-owned rail operator SNCF Voyageurs and the private airline Air Canada) after an open bidding process.^[12][16] The Canadian government will retain ownership of the Alto corporation, Via Rail, and all new and existing assets built through the project.^[17] In the announcement, Trudeau described the project as the "largest infrastructure project in Canadian history" and added that it would be "a game-changer for Canadians". The line is to span Toronto and Quebec City, with five stops in between: Peterborough, Ottawa, Montreal, Laval, and Trois-Rivières.^[18]

Development

Once Cadence was selected as the private development partner (PDP), the Alto project entered the co-development phase. During this phase, the project will move through four pre-construction stages, gradually increasing the level of development. Stage 1 will consist of initial agreement between the PDP and Alto, Stage 2 will include determining the preferred track alignment, Stage 3 will involve developing designs for routes between multiple pairs of cities, and Stage 4 will involve progressing the design of the overall system to 50% completion. The approach of designing route segments between pairs of cities was chosen to reduce the risk of project delays and to enable useful service without needing the entire line to be complete.^[19]

On September 14, 2025, an initial list of "nation-building" projects was announced by the federal government, and Alto was not one of them. In an interview, Alto's CEO Martin Imbleau said that he expected that Alto would make it onto a future list of priority projects once development advances further. He reiterated that phased construction is expected to start in 2029 or 2030, with the first of four route segments being completed 6–8 years after construction starts and the entire network being finished in 12–14 years (2041–2044).^[20] On December 12, 2025, the federal government announced that the first phase of Alto would be between the cities of Ottawa and Montreal.^[21]

Participating consortia

In July 2023, the government selected three consortia to proceed to the request-for-proposals (RFP) stage for what was then known as the High Frequency Rail project:^{[23][24][25][26]}

Winning consortium (Cadence)

On February 19, 2025, the winning consortium was announced to be Cadence after a multi-year procurement process.^[27][28] The consortium members expressed their pride and excitement at being selected while promoting their respective areas of expertise.^[29] Cadence will co-design, build, finance, operate, and maintain the Alto project.^[30]