TOP100 2026 Report - Report - Page 24
GO Expansion Projects
—Early Works
$10.5 BILLION
The Early Works portion of the GO Expansion project is one of three blocks of
works to be done to accommodate two-way, all-day transit throughout the GTHA
corridor. There are over 50 individual projects included in the early works program,
including 40 smaller projects delivered as Design-Build or Design-Bid-Build, along
with 12 larger projects delivered as Build-Finance and Design-Build-Finance. The
latter includes the Davenport Diamond Rail Grade Separation Project, for which the
24 RENEW CANADA – TOP100 2026
2025 Rank: 7
Location: Greater Toronto and Hamilton Area
Owner: Metrolinx
Procurement Agent: Infrastructure Ontario
DBF Team (Highway 401 Rail Tunnel): Toronto Tunnel Partners
Applicant Lead: EllisDon Capital Inc. and STRABAG Inc.
Construction: EllisDon Civil Ltd. and STRABAG Inc.
Design: WSP, Dr. Sauer & Partners, Amec Foster Wheeler
Financial Advisor: EllisDon Capital Inc. and STRABAG Inc.
DBF Team (Davenport Diamond Grade Separation project): Graham Commuter Rail
Solutions
Applicant Lead: Graham Capital Partners LP and Gracorp Capital Ltd.; Graham
Construction and Engineering LP
Construction: Graham Construction and Engineering LP
Design: LEA Consulting Ltd. as Design Lead; EXP; International Bridge Technologies;
Brown & Storey Architects Inc.
Financial Advisor: Graham Capital Partners LP AllianceTeam (Union Station
Enhancement Project): ONTrack Alliance
Constructors: Kiewit-Alberici Union General Partnership
Designers: WSP (methane ventilation system)
Signalling Work: Mass. Electric Construction Canada Co.
Engineer: Wood (WSP) (consulting/geotechnical studies); Parsons; Hatch; AECOM;
GHD (engineer-design)
Contractor: EllisDon (Dufferin/Queen bridge); Kenaidan/Cole Engineering (rapid
pedestrian tunnels)
Other Key Players: 4-Transit JV (technical advisory services): Hatch, Parsons, WSP;
CIMA+ (utilities relocation); Stantec (owner’s technical advisors team (sub-consultant
to Gannett Fleming); Accenture (project manager); Jacobs (program mgmt.); A.W.
Hooker Associates Ltd. (cost consultant); Golder (WSP) (Environmental Services);
INTECH (risk advisor); Deloitte (transaction advisor); Aon (risk advisor); Hemmera;
Entuitive; EXP; GFL (shoring, soil management); Turner & Townsend (project controls);
E.S. Fox; TULLOCH; Egis; KPMG; LRI Engineering; Marsh Canada (risk advisor)
Legal: Borden Ladner Gervais; Norton Rose Fulbright (owner’s advisor); Torys
Funding: Public
Substantial Completion: 2026
winning bidder was selected in July 2019, and the Highway 401 Rail Tunnel, which
began construction in March 2019, and the Stouffville Corridor Stations Improvement project. The program also includes the Union Station Enhancement project,
which will see construction of a new South Concourse, track expansion east of the
station and replacement of the 90-year-old signalling system with new state-of-theart signals, communications, power supply, CCTV, and SCADA systems.
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