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Contractors bag deal to build stations, rail, and systems on CAN$4.7bn Toronto project
29 August 2025

A consortium led by Acciona Infrastructure Canada has secured the contract to deliver the stations, rail and systems package on the CAN$4.7 billion (US$3.45 billion) Eglinton Crosstown West Extension (ECWE) in Toronto.
Operating as Trillium Rail Partners, the consortium brings together Acciona (40%), Amico Major Projects (30%) and Alberici Constructors (30%).
Trillium Rail Partners beat two other consortia to win the deal: Integrated Transit Partners (Sacyr Canada, NGE Contracting and Siemens Mobility), and WestEx Transit Solutions (Aecon Infrastructure Management, AtkinsRéalis Major Projects, Pomerleau Major Projects, and Dragados Canada)
The scope of the project includes the design and construction of seven new stations: Mount Dennis (connection station), Keelesdale, Scarlett-Jane, Royal York, Islington, Martin Grove and Renforth. Four of the stations will be underground, two elevated and at-grade.
The contract also covers the railway’s operating and control systems along the 9.2-kilometre (5.7-mile) route, as well as signalling, communications, data networks. Work also involves fit-out of a 1.5km elevated guideway, the tunnel, and tunnel ventilation.
The deal is being procured under a progressive design and build model, which means the consortium will now work with Metrolinx and Infrastructure Ontario to refine the design, cost, schedule. The financial value of the contract has not yet been disclosed and will only become clear at the end of this development phase.
Meanwhile, WSP in Canada has been named as the primary lead designer for the project, as part of the TRP consortium.
The extension runs west from Mount Dennis to Renforth and is due to open around 2031. Other packages already awarded include two tunnelling contracts and a CAN$290 million (US$212 million) elevated guideway scheme.
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