Extending the TTC’s line 2 further into Scarborough

Canada
Scarborough subway extension development

The mission

To support Toronto's economic and sustainability goals through new transit infrastructure that delivers modern rapid transit, reduces traffic congestion and curbs greenhouse gases.

To support Toronto's economic and sustainability goals through new transit infrastructure that delivers modern rapid transit, reduces traffic congestion and curbs greenhouse gases.

The challenge

tunneling on Scarborough subway extension
The Scarborough Subway Extension is a transformative project that will extend the busy Line 2 TTC subway nearly eight kilometres further into Scarborough while improving infrastructure and providing connections to several existing transit services. It will feature one of Canada's largest subway tunnel diameters and several other unique construction challenges. With multiple stakeholders and community interests in mind, communication is key to successfully executing the project.

Our response

tunnel boring machine at Scarborough subway construction site

In partnership with our consortium OneT+, we are providing hydrogeology, geotechnical, tunnel, survey and environmental services. We are also working with Metrolinx and project stakeholders to support permitting and any potential constructability challenges.

Technical details of the project include tunnelling, construction of three new stations, modifications to the existing Kennedy Station and improving connections to existing GO train and TTC bus services, as well as the Eglinton Crosstown and its supporting infrastructure.

The impact

The Scarborough Subway Extension will provide a new seamless subway service between Scarborough and the downtown core, improving transit for area residents and supporting planned development in Scarborough. In addition to offering fast, convenient travel options, the project will reduce traffic congestion and greenhouse gas emissions.

We are committed to supporting our clients in reaching their goals.

We are dedicated to supporting the community and our client while providing solutions that benefit all stakeholders and a positive outcome for everyone.
Brett McAllister – Project Manager