Metrolinx closes RFP for Yonge North Subway Extension SRS contract

  • Sep 1, 2026
Image credit: Metrolinx

Metrolinx has closed the Request for Proposals (RFP) stage for teams to submit their bids for the Yonge North Subway Extension - Stations, Rail and Systems contract (YNSE SRS). The RFP was released by Infrastructure Ontario (IO) and Metrolinx. Following a fair, open and transparent Request for Qualifications process, 11 teams were shortlisted and invited to respond to an RFP in May 2026.

The YNSE SRS contract is being delivered through a owner‑formed Alliance procurement model and is made up of three distinct work packages: Underground Works, Surface Works, and Design and Systems Integration. For each of the three packages, the following teams have submitted their proposals by the deadline:

  1. Underground Works:
  • Trillium Construction Partners - Acciona Infrastructure Canada Inc., Amico Infrastructures Inc.
  • NorthLine Partners - Flatiron Dragados Canada, Inc., Green Infrastructure Partners Inc.
  • CrossTransit Group - Ferrovial Construction Canada Inc., VINCI Construction Grands Projets Canada Inc.
  • North Extension Transit Alliance (NExTA) - Aecon Infrastructure Management Inc., Formento de Construcciones y Contratas Canada Ltd., Pomerleau Major Projects Inc.
  1. Surface Works:
  • Kenaidan Murphy Joint Venture (KMJV) - Kenaidan Infrastructure Ltd., Murphy Infrastructure Inc.
  • NorthLine Partners - Flatiron Dragados Canada, Inc., Green Infrastructure Partners Inc.
  • North Extension Transit Alliance (NExTA) - Aecon Infrastructure Management Inc., Formento de Construcciones y Contratas Canada Ltd., Pomerleau Major Projects Inc.
  • True North Corridor Alliance - Bird Construction Industrial Services Ltd., Ledcor Ontario Infrastructure Ltd.
  1. Design and Systems Integration:
  • NorthOne Integration Partner - Arup Canada Ind., Hatch Ltd., Egis Canada Ltd.
  • NovaNorth - AtkinsRéalis Canada Inc., CIMA Canada Inc., NORR Architects & Engineers Limited
  • WSP-AECOM - AECOM Canada ULC, WSP Canada Inc.

The Yonge North Subway Extension will extend the Toronto Transit Commission (TTC) Line 1 subway service approximately 8 km from the existing terminus at Finch Station to Vaughan, Markham and Richmond Hill with five new stations. One team from each package of work will be selected to enter into a Project Alliance Agreement with Metrolinx, forming the Alliance. The successful proponents are expected to be announced in 2027.

Source: Metrolinx

Tags: TTC

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