The Ontario Line project has commenced excavation near Exhibition Station, preparing for the subway’s transformative development. This was reported by the railway transport news portal Railway Supply.

Ontario Line project
Photo: www.metrolinx.com

A 16-meter-deep launch shaft marks the starting point for two tunnel boring machines (TBMs) set to create twin tunnels extending approximately 6 kilometers underground.

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These tunnels will connect the area east of Exhibition Station with a segment just west of the Don River. Once tunneling is complete, this launch shaft will serve as the transition portal, enabling Ontario Line trains to seamlessly move underground while traveling east.

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Upon completion, the Ontario Line will extend 15.6 kilometers, significantly enhancing transit accessibility for Toronto residents. Approximately 227,500 additional individuals will gain walking-distance access to public transit through this ambitious infrastructure project.

In November 2022, the Ontario Transit Group secured a fixed-price contract worth $6 billion to design, construct, and finance the Southern Civil, Stations, and Tunnel package. This segment represents a crucial component of the Ontario Line’s overall development plan, focusing on sustainable urban transit solutions.

The Ontario Line project employs a combination of P3 partnerships, progressive design-build strategies, and traditional procurement methods. These approaches ensure every project stage is efficiently coordinated to achieve timely and effective results.

Once fully operational, the Ontario Line will connect the Ontario Science Centre with Exhibition/Ontario Place, revolutionizing transit with 15 new stations. This innovative line will feature six interchange stations and over 40 transit connections, integrating buses, streetcars, light rail, and regional services.

The Southern Civil contract is expected to reach completion by 2030, representing a significant milestone in Toronto’s transit expansion efforts.

Source: tunnellingjournal.com

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