The latest work completed on a key part of the $1.4-billion Hurontario St. light rail transit (LRT) project in south Mississauga is being described as a “Canadian first” in engineering.

Using a “revolutionary engineering method,” crews working on the Port Credit GO Station segment of the 18-kilometre Hazel McCallion Line pushed a concrete passageway under the Lakeshore West rail tracks earlier this week without interrupting the flow of trains.

The method used is known as the Verona System, said officials with Metrolinx, the provincial agency overseeing the massive LRT line that will run between south Mississauga and Brampton when it opens to passengers in fall 2024. 

“This advanced technology ensured that service on the Lakeshore West Line could continue for the 33,000 daily riders,” Metrolinx officials said in an online project update. 

“This passageway, called a push box, will be the tunnel through which future light rail vehicles will travel in and out of Port Credit Station once the Hazel McCallion Line is in service.”

Project leaders say prep work for the push box included the shoring and excavation of the east side of the south parking lot at Port Credit GO and the installation of the thrust block and launch slab used during push box installation.

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