Ontario Line

Rank 2025

6 Image Credit: Metrolinx

Industry Sector: Transit

Project Type: Subway

Project Value: $10.9 billion

Funding Source: Public

Provincial Funding: $10.9 billion

Province: Ontario

City / Region: Toronto

Estimated End Date of Substantial Completion: 2031

The Ontario Line is a 15.6-kilometre stand-alone rapid transit line in Toronto that will connect the Flemingdon Park neighbourhood to Exhibition/Ontario Place. Over half of the route is planned to run underground through new tunnels, with the remainder running along elevated and at-grade rail corridor sections of track. Fifteen stations are proposed, with numerous connections to the broader transit network, including GO Transit rail services, the Toronto Transit Commission’s subway Lines 1 and 2, and the future Line 5 (Eglinton Crosstown LRT).

Project Owner: Metrolinx

Project/Construction Manager: Procurement Agent: Infrastructure Ontario

P3 Team Members/Project Team: Rolling Stock, Systems, Operations and Maintenance (RSSOM): Connect 6ix Applicant Lead: Plenary Americas, Hitachi Rail, Webuild Group (Salini Impreglio Canada Holding Inc.), Transdev Canada Inc. Design Team: Hitachi Rail, Arcadis-IBI Group Construction Team: Hitachi Rail, Webuild Group (Astaldi Canada Design & Construction Inc. and Salini Impreglio Civil Works Inc.), NGE Contracting Inc. Operations, Maintenance and Rehabilitation Team: Hitachi Rail, Transdev Canada Inc. Financial Advisors: National Bank Financial Inc., Sumitomo Mitsui Banking Corporation Southern Civil, Stations and Tunnel (South Civil): The Ontario Transit Group Applicant Lead: Ferrovial Construction Canada Inc., VINCI Construction Grands Projets Design Team: AECOM Canada Ltd., COWI North America Ltd., GHD Limited, SENER Group Construction Team: Ferrovial Construction Canada Inc., Janin Atlas Inc. Financial Advisor: Agentis Capital Elevated Guideway and Stations: Trillium Guideway Partners Applicant Leads: Acciona Infrastructure Canada Inc. and Amico Major Projects Inc. Design Team: WSP Canada Inc. Construction Team: Acciona Infrastructure Canada Inc. and Amico Major Projects Inc. Pape Tunnel and Underground Stations: Pape North Connect Applicant Leads: Webuild Civil Work Inc., Fomento de Construcciones y Contratas (FCC) Canada Ltd. Design Team: Arcadis Professional Services (Canada) Inc., AECOM Canada Ltd. Construction Team: Webuild Civil Work Inc., Fomento de Construcciones y Contratas (FCC) Canada Ltd.

Environmental Services: AECOM-Environmental Assessment (Early Works)

Other Key Players: Aon, INTECH (risk advisor); Golder (WSP) (geotechnical studies); Hanscomb (cost consultant); EY (mgmt. consultant); Jacobs; Accenture (consulting engineer/construction manager); HDR (technical advisory services); Hatch; Wood (WSP) (environmental engineer/geotechnical studies); Entuitive; WSP (TTC Operators representative/(for Metrolinx): geotechnical investigation management & project management as part of 4Transit JV); Colliers Project Leaders; Dillon Consulting (technical advisory services); GFL (excavation, shoring, soil management); EXP (design engineer); Turner & Townsend (project controls/estimating); Montrose Environmental (environmental specialists); E.S. Fox; HKA (management consultant); Stantec (design engineer); A.W. Hooker Associates Ltd. (cost consultant); Parsons (consulting engineer); Terrapex (geotechnical studies); TULLOCH; Mott MacDonald (planning/design engineer); Egis; KPMG; R.V. Anderson Associates Ltd. (consulting engineer)

Supplier Other: DECAST

Legal: Borden Ladner Gervais (for the owner); Dentons; McMillan LLP; Singleton Urquhart Reynolds Vogel LLP

Road or Transit Length (km): 15.6

2024 Rank: 6

2023 Rank: 6

2022 Rank: 6

2021 Rank: 6

KEY PLAYERS

Platinum (20+ Projects)

Gold (15-19 Projects)

Silver (10-14 Projects)

Bronze (5-9 Projects)