Bowmanville Extension Project
Province: Ontario
City/Region: Bowmanville
Image Credit: Metrolinx
96
Project Rank
Project End: TBD
Project Type: Rail
Industry Sector: Transit
Project Amount: $730 million
Date of Completion: TBD
Funding Source: Public
Provincial Funding: $730 million
LEED Status: Certified
Previous Rankings
| 2025 | 92 |
| 2024 | 82 |
| 2023 | 81 |
| 2022 | 77 |
| 2021 | 80 |
| 2020 | 81 |
| 2019 | 82 |
| 2018 | 82 |
| 2026 | 96 |
About The Project
The Bowmanville Extension will extend the Lakeshore East GO Line nearly 20 kilometres to Bowmanville and includes: new track and signal infrastructure; seven new bridges, including a new rail alignment over Highway 401; bridge reconstruction and existing bridge modifications; utility relocations; and at-grade crossing upgrades. In 2024, GO Transit announced that works would begin on the future Ritson Road GO Train station.
Project Owner: Metrolinx
Project/Construction Manager: Advance Infrastructure Planning Contract: Bowmanville Construction Partners (BCP)—Ledcor CMI Ltd. and Dragados Canada Inc.
Other Key Players: Wood (WSP) (consulting engineer/geotechnical studies/environmental assessment [TPAP Addendum]); Stantec (technical advisory Services); Deloitte, Golder (WSP) (environmental assessment), WSP (geotechnical services); AECOM; Hatch (consulting engineer); Turner & Townsend (project controls); Accenture (project manager); Egis; XS Soil Solutions; Strata Drilling Group; E.S. Fox; Arup (engineer-planning)
Key Players
Key Players’ recognize the organizations whose work, knowledge, and expertise go into constructing and delivering the significant projects that make our annual list.
Gold (15-19 Projects)
Silver (10-14 Projects)
Bronze (5-9 Projects)
- ACCIONA Infrastructure Canada
- Accuracy
- Alstom
- Associated Engineering
- Black & McDonald
- Blake, Cassels & Graydon
- Cartel Communication Systems
- COWI
- Davies Ward Phillips & Vineberg
- DECAST Ltd.
- DIALOG
- EBC Inc.
- FlatironDragados
- GeoVerra
- HDR
- Hemmera
- Infrata
- Kasian
- Lakeland Consulting Inc.
- Lavery, de Billy
- LRI Engineering
- McMillan LLP
- Montrose Environmental
- Mott MacDonald
- Mulvey & Banani
- NORR Architects & Engineers Ltd.
- Osler
- Parkin Architects Ltd.
- Plenary Americas
- R.V. Anderson
- STRABAG Inc.
- Tiree
- Torys

