$10.9 Billion Planned for Toronto Subway Line

toronto subway line

Infrastructure Ontario and Metrolinx have selected the HDR-led team which includes Mott MacDonald, Stantec, Systra and Comtech. This technical advisory team was appointed for the proposed 16 km-long subway line that will run through the downtown core of Toronto according to The Construction Index.

This group will provide the planning, engineering, environmental, design and construction oversight services. The $10.9 Billion Ontario Line will be a nearly 16 km free standing subway line with 15 proposed stations. It will run from Ontario Place/Exhibition Place through downtown Toronto to the Ontario Science Centre. This will provide relief to the existing Line 1 and bring transit to underserviced neighbourhoods like Thorncliffe Park and Flemingdon Park. It is expected to accommodate nearly 400,000 daily boardings.


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"The Greater Toronto and Hamilton Area is experiencing unprecedented growth, and expanding the transit system is essential to connect people to jobs, schools and their communities. The Ontario Line represents an exciting investment for Toronto, one that will not only provide relief for the existing subway system but will also create connections with the existing and planned transit network."

HDR Senior vice president | Tyrone Gan


Per AP News, initial planning and design work has already begun for the Ontario Line. This assignment will add to HDR's already extensive transit portfolio which includes iconic projects in Los Angeles, New York, Seattle, Dallas, Honolulu, Denver and more. 

HDR's experience spans more than 10,000 employees in more than 200 locations around the world. Their engineering, architecture, environmental and construction services bring impressive knowledge to every project.

According to The Star, Metrolinx has set 2027 as the target date to open the line but many experts believe that this is unrealistic.  


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Posted by Judy Lamelza

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