Work continues on the elevated guideway section of the Hazel McCallion Line near Mississauga’s downtown core and Highway 403. (Photo: From Metrolinx video)

A key component of the $4.6-billion Mississauga-to-Brampton light-rail transit line being built along Hurontario Street is “nearing completion” in the busy Square One Shopping Centre area, project leaders say.

The elevated guideway section of the Hazel McCallion Line that travels above Highway 403 in Mississauga’s downtown core near Ontario’s biggest shopping centre is “one of the most complex parts of the project,” Metrolinx, the provincial agency overseeing the largest transit undertaking in the city’s history, said in its latest online update.

Construction on the guideway, described by project leaders as a “landmark structure,” began in 2021 and “is now nearing completion. Crews are installing tracks, railings, communications systems and signal infrastructure,” the agency noted.

Asked if the agency could be more specific regarding a completion date for the elevated guideway, a Metrolinx spokesperson would only tell INsauga.com on Thursday “we will have more to share on the status of the guideway soon.”

Once completed, the elevated guideway will allow LRT trains to run along Hurontario Street overtop the busy Highway 403 and connect with the Square One area in Mississauga’s downtown core.

How do you build a rail bridge over an active highway while keeping traffic moving below? Have a watch to find out!

The Hazel McCallion Line’s elevated guideway over Highway 403 is nearing completion after years of careful planning, engineering, and construction. This landmark… pic.twitter.com/xf8v0XrzKH

— Metrolinx (@Metrolinx) August 13, 2026

 

In January 2025, project officials said work crews had just put in place the large concrete structures that are “the building blocks” for the guideway, described as a “unique” part of the LRT.

“This elevated section of track will connect the future City Centre (LRT) stop at Rathburn Road and Robert Speck stop at Hurontario Street, providing easy access to this core area of the city,” Metrolinx said at the time.

Project leaders also noted a completed 18-kilometre Hazel McCallion Line, from its southernmost point in Port Credit all the way north into Brampton, “will cross four separate highways” — the QEW and highways 403, 401 and 407.

In a March 2026 update (see video in link below), Metrolinx said the elevated guideway was taking shape as concrete was being poured and structural sections were being installed at that time.

Take a look at the construction progress on the elevated guideway over Highway 403 in Mississauga. Crews are now pouring concrete, installing structural sections, and placing safety barriers as work continues along the Hazel McCallion Line. (1/2) pic.twitter.com/IhzfwNG8kN

— The Hazel McCallion Line (@HMcCallionLine) March 5, 2026

In February of this year, City of Mississauga officials received word from Ontario Premier Doug Ford that money for a long-promised City Centre LRT loop as part of the Hazel McCallion Line project was coming from the province.

Addressing a breakfast meeting hosted by the Mississauga Board of Trade at the Mississauga Convention Centre, Ford verbally committed to making the $1.6-billion “downtown loop” a reality.

The provincial government promised in January 2024 it was reinstating the downtown loop as part of the massive LRT project after having dropped it from plans in a cost-cutting move in 2019. But until early February 2026, city officials were skeptical, saying they hadn’t received any firm commitment from Ford or the province.

The city says it’s “crucial” that the loop be completed in Mississauga’s downtown core, where the population is expected to double to 100,000 by 2050.

The loop, or downtown extension as it’s also known, will run off of Hurontario Street near Square One Shopping Centre and circle around the highrise condos and office buildings, and other businesses in the City Centre, when completed.

(Source: Metrolinx)

When the Hurontario Street LRT line is completed, more than 20 passenger stops will serve riders along the route, which will run from Port Credit GO station all the way north to downtown Brampton.

Initially, the Hazel McCallion Line was to open to riders in fall 2024. However, ongoing delays have pushed the timeline back significantly and Metrolinx said earlier this year it’s now looking at a 2028 open-to-passengers date.

Rendering shows what part of the Hazel McCallion Line will look like once it opens to passengers. (Image: Metrolinx)


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