Alto CEO Martin Imbleau speaks during a luncheon at the Chamber of Commerce of Metropolitan Montreal (CCMM) in Montreal, on Jan. 13, 2026. The Canadian Press/Christinne Muschi
A planned high-speed rail line between Toronto and Quebec City will include tunnels in Montreal and possibly Toronto, says the Crown corporation overseeing the undertaking, whose budget some experts warn may be stretched as a result.
In an update on its website, Alto says it plans to burrow from just north of the river that rims Montreal’s north side to downtown in a north-south corridor that would exceed 10 kilometres.
