TORONTO - Infrastructure Ontario (IO) and Metrolinx have issued a Request for Proposals to two prequalified teams to design, build and finance the Cooksville Station project. This station, located along the Milton Corridor in the City of Mississauga, requires upgrades to accommodate Metrolinx' plan to provide more service on the GO rail network.

Teams were selected based on criteria identified in the Request for Qualifications (RFQ) process that began in September 2016. Selection criteria included applicable design and construction experience, and capacity to finance a project of this size and complexity. 

The prequalified teams are:

EllisDon Infrastructure Transit 

  • Developer: EllisDon
  • Constructor: EllisDon Build Design Inc.
  • Design: WalterFedy, Brodie & Associates, WSP/MMM
  • Financial Advisor: EllisDon Capital

Kenaidan Obayashi Transit Partner 

  • Developer: Kenaidan, Obayashi Corporation
  • Constructor: Kenaidan Contracting Ltd., Obayashi Canada Ltd.
  • Design: IBI Group, RJC, Smith and Anderson
  • Financial Advisor: Rocklynn Capital

Teams have been invited to respond to the RFP  and will begin preparing proposals that detail how they will design, build and finance the project. Once submissions are received, IO and Metrolinx will evaluate the proposals, select a preferred bidder and then negotiate a final contract. A successful bidder is expected to be announced in fall 2017. A fairness monitor will oversee the entire procurement process.

A copy of the RFP is available at

The scope of work for the Cooksville project includes:

  • A new station building with a large public plaza
  • Upgrades to existing rail platform access tunnel
  • New six-storey parking structure and redevelopment of parking area
  • Bus loop with a minimum of eight bus bays for GO and MiWay bus service 

This work on the Milton corridor is part of a larger, system-wide plan to improve overall GO Transit service, including the delivery of GO Regional Express Rail (RER) by 2024-25. To support transit improvements, Metrolinx will be undertaking major infrastructure upgrades, including additional track, GO station modifications, improved rail crossings, required systems for electrification, and new locomotives and train control systems to enable more frequent service.

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Quick Facts:

  • Under the Province's Moving Ontario Forward Plan, Metrolinx is delivering the largest transit infrastructure program in Canadian history, including five new Light Rail Transit projects throughout the region and a transformation of the GO rail network, to better connect communities throughout the Greater Toronto and Hamilton Area.   
  • This transit expansion will provide faster, more frequent and convenient transit service across the Greater Toronto and Hamilton Area, including electrification of core segments of the GO rail network by 2024-25. This expansion will help manage congestion, connect people to jobs and decrease greenhouse gas emissions by reducing car trips and improving travel times.
  • IO, collaborating with Metrolinx, is leading the procurement of the GO Cooksville Station project, which is being delivered using IO's Alternative Financing and Procurement model.


“Our government is focused on delivering better transit options that will help get Ontario moving. These improvements to the Cooksville Station are proof that we are committed to making your daily commute faster and more convenient than ever before.”

Steven Del Duca, Minister of Transportation

“The Cooksville Station project is critical to the expansion of rail services under Metrolinx's Regional Express Rail. Our government recognizes the importance of these types of transit improvements because they keep people and goods moving, keep communities growing, and help build Ontario up.” 
Bob Chiarelli, Minister of Infrastructure

“We are pleased to continue our progress upgrading Cooksville Station, which will improve customer experience and strengthen the GO rail network with faster, more frequent GO train service."
Bruce McCuaig, President and CEO, Metrolinx

“With qualified proponent teams selected for the Cooksville Station project, we look forward to evaluating proposals in the coming months.”  
Ehren Cory, Divisional President, Project Delivery, Infrastructure Ontario

Learn More 

Infrastructure Ontario

Metrolinx and RER



Lisa DiMenna
Infrastructure Ontario

Anne Marie Aikins