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The Ontario Line is one of the largest transit expansion projects underway in Canada, creating a new rapid transit corridor that will connect communities across Toronto and improve access to employment, education, services, and regional transportation networks. Once complete, the 15.6-kilometre subway line will provide faster, more convenient travel across the city while helping to relieve congestion on the existing transit system.

ACCIONA, as part of Trillium Guideway Partners, is leading the design and construction of the Ontario Line North Civil Works package, which includes approximately 3 kilometres of elevated guideway and five elevated stations between the Don River Bridge and the Ontario Science Centre. The project also includes connections to Line 5 Eglinton and the delivery of advance civil works required before installation of rail systems, signalling, communications, and other operational infrastructure under subsequent contracts.

The project presents significant engineering and construction challenges within a densely populated urban environment. Construction of the elevated guideway and stations requires careful coordination with existing transportation infrastructure, utilities, surrounding communities, and future transit systems. The integration of the Ontario Line with Line 5 Eglinton and other regional transit services is a critical component of the project's design and long-term functionality.

Once operational, the Ontario Line will transform travel across Toronto by significantly reducing journey times, relieving congestion on the existing transit network, and improving connections between major transportation services. End-to-end travel times will be reduced to less than 30 minutes, while seamless links to more than 40 TTC, GO Transit, and light rail services will expand rapid transit capacity, strengthen network resilience, and support the continued growth of one of Canada's largest urban centres.

GENERAL PROJECT INFORMATION

  • Client: Metrolinx
  • Location: Toronto, Ontario
  • Contract Type: Progressive Design-Build (PDB)
  • Project Team: Trillium Guideway Partners – ACCIONA and Amico
  • Project Status: Under Construction

PROJECT SCOPE

  • Approximately 3 km of elevated guideway
  • Five elevated stations between the Don River Bridge and the Ontario Science Centre
  • Connections to Line 5 Eglinton
  • Advance civil works supporting future rail, mechanical, electrical and communications systems
  • Integration of elevated transit infrastructure within a complex urban environment
  • Progressive Design-Build delivery for the North Civil Works package

INNOVATION & SUSTAINABILITY

The Ontario Line North Civil Works project supports the expansion of sustainable public transportation in one of Canada's fastest-growing urban regions. By increasing transit capacity and improving connectivity between major transportation networks, the project will encourage greater transit use and help reduce reliance on private vehicles.

The project also demonstrates innovative approaches to urban infrastructure delivery through its progressive design-build model, which promotes collaboration during planning and design to improve project outcomes, manage risk, and enhance constructability. The integration of multiple transit systems within a complex urban environment further highlights the project's technical sophistication and long-term value to the region.

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