Scarborough Subway Extension

Province: Ontario

City/Region: Scarborough

Image Credit: Metrolinx

15

Project Rank

Back to Top 100 Infrastructure Projects

Project End: 2026

Project Type: Subway

Industry Sector: Transit

Project Amount: $5.5 billion

Date of Completion: 2026

Funding Source: P3

Road or Transit Length (KM): 7.8

Previous Rankings

202515
202414
202314
202214
202121
202020
201919
201816
201715
201611
201511

About The Project

The Scarborough Subway Extension is a 7.8 kilometre extension of TTC’s Line 2 Bloor-Danforth Subway, from the existing Kennedy Station northeast to McCowan Road/Sheppard Avenue. The line will include three new stations at Lawrence Avenue and McCowan Road, Scarborough Centre and a terminal station at McCowan Road and Sheppard Avenue. The project is being delivered in two large contracts: the Stations, Rail and Systems package and the Advance Tunnel project.

Project Owner: Metrolinx

Project/Construction Manager: Procurement Manager: Infrastructure Ontario

P3 Team Members/Project Team: DBF Team (Advance Tunnel contract): Strabag Scarborough Project Inc. • Construction Team: Strabag Inc. • Design Team: ARUP Canada Inc., Brian Isherwood & Associates Ltd. • Financial Advisor: Strabag Inc. Stations, Rails & Systems contract: Scarborough Transit Connect Applicant Leads: Aecon Infrastructure Management Inc., FCC Construction S.A. Design Prime Team Member: Mott MacDonald Canada Ltd. Construction Prime Team Members: Aecon Infrastructure Management Inc., FCC Construction S.A. Engineer: OneT+ (Gannett Fleming, Arcadis-IBI Group, GHD) Design: Hatch (tunnel design); WSP (SSE systems); AECOM (station design) Environmental Services: Englobe

Other Key Players: Jacobs (quality mgmt. and risk assessment); Accenture (project/construction manager); WSP (TTC operator’s representative); Stantec (consulting engineer); Wood (WSP) (consulting engineer/geotechnical studies); CIMA+; Dillon Consulting (technical advisory services); Entuitive; EY (management consultant); GFL (excavation, shoring, soil management); Hanscomb (cost consultant); Parsons (consulting engineer); R.V. Anderson Associates Ltd.; Turner & Townsend (project controls/estimating); Montrose Environmental (environmental specialists); AGAT Labs; Aon, INTECH (risk advisor); Egis; E.S. Fox; LRI Engineering

Architects: Hatch (tunnel design/consulting engineer)

Legal: Borden Ladner Gervais (for the owner); Norton Rose Fulbright (for Strabag Scarborough Project Inc.); Dentons (legal advisor)

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