A subway promise with meetings, motions, and a two-year clock.

There is an old idea in the Toronto region, one that surfaces every few years like a train on a distant track: a subway that crosses the city's western edge and reaches into Mississauga. It is a vision that has been sketched, debated, and set aside more times than anyone can count. This week, Bonnie Crombie, the former mayor of Mississauga now running to reclaim the office, has placed it at the center of her campaign, promising not merely a promise but a process: meetings, motions, business cases, and a timeline that begins within her first hundred days.

Crombie's plan would extend the TTC's Line 2 west from Kipling Station, through Sherway Gardens, and into Mississauga's city center near Square One . In her first hundred days, she says she would convene officials from the province, Metrolinx, the City of Toronto, and the TTC to agree on the scope and leadership of a joint business case. She would also bring a motion to council to formalize Mississauga's participation and identify funding for the city's share of planning work . Within a year, she hopes to launch the jointly funded study; within two, to complete an initial business case .

The plan does not include a construction timeline or a firm cost estimate. Crombie has said she has heard figures of $700 million per kilometer, but that the business case would examine routes, ridership, and costs . She has suggested elevated construction along parts of the Dundas corridor rather than full tunneling, a choice that could reduce expenses . She has also said she hopes the provincial and federal governments would cover the bulk of the cost .

The political context is delicate. Crombie served three terms as Mississauga's mayor before leading the Ontario Liberal Party from 2023 to 2026. She resigned the leadership after failing to win a seat at Queen's Park . Her opponents have noted that the idea of a Mississauga subway did not advance during her decade as mayor. Dipika Damerla, a ward councillor also running, has proposed adding stops to the existing GO Lakeshore West line instead, describing it as a cheaper and faster "surface subway" . Alvin Tedjo, another councillor and candidate, said he is glad Crombie has "finally realized that we need more transit" but questioned why it was not pursued earlier .

Matti Siemiatycki, a University of Toronto professor of geography and planning, told CBC that the proposal has many unknowns and is "speculative," likely to be "hugely expensive." He described it as an election campaign promise rather than a project with shovels in the ground soon . He also told the Toronto Star that the politics of "everyone else is getting a subway, why don't we have one" has been powerful in the region, and that it is "entirely conceivable this gets built" .

Mississauga's municipal election is October 26. Whether the subway arrives is a question that will be answered not by a single vote but by years of negotiation among governments that have not yet been asked to commit. For now, Crombie has placed the idea on the table with a specificity that previous iterations lacked, and the conversation has begun.

AI Image Disclaimer: The visuals in this article are AI-generated and do not represent actual transit infrastructure.

Sources: CBC News, CityNews Toronto, CTV News, Toronto Star