Four (4) shortlisted teams have been invited to respond to a request for proposals (RFP) to deliver the Union Station Enhancement Project.

Teams were selected based on criteria in the request for qualifications (RFQ) phase, including their team composition, experience in collaborative project delivery, health and safety, and past project examples.

The shortlisted teams are:

OnTrack Alliance

  • Constructor: Kiewit and Alberici
  • Design: WSP

GTA Alliance

  • Constructor: EllisDon and Keltbray
  • Design: AECOM, Zeilder and Stephenson Engineering

OneUnion Alliance

  • Constructor: Aecon, Modern Niagara and PNR RailWorks
  • Design: Mott MacDonald and Systra

Union Gateway Alliance

  • Constructor: Dragados
  • Design: Parson and Hatch

Teams will now begin the RFP process where they will be evaluated on their approach, collaborative behaviours and final fees. The team with the highest score will be selected to enter into an Alliance Development Agreement with Metrolinx and Infrastructure Ontario to submit a proposal to deliver the Union Station Enhancement Project. This will include collaborating in the design, finalizing the Target Outturn Cost and identifying and managing project risks.

A successful bidder is expected to be announced in summer 2020.

A copy of the RFP is available at

Visit here to learn more about the Union Station Enhancement project.