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Learning from Canada’s Biggest Transit Projects
What the Eglinton Crosstown, Ottawa’s LRT, and fifteen years of hard lessons tell us about the track ahead for Alto HSR.
Summary
Canada’s two largest recent transit P3s — the Eglinton Crosstown in Toronto and the Confederation Line in Ottawa — share a pattern: large bundled contracts, adversarial breakdowns, technical warnings set aside for political reasons, and costs that substantially exceeded estimates. Several of the companies involved appear in both projects and in the Cadence consortium that has been awarded the Alto co-development contract. The pattern is worth understanding before the commitments become irreversible.
Canada’s Largest Transit P3s: At a Glance
| Project | Original Estimate | Actual / Latest Cost | Delivery Model | Key Outcomes |
|---|---|---|---|---|
| Ottawa Confederation Line LRT (Stage 1) | $2.1B | ~$2.1B (construction); ongoing legal costs | P3 — DBFOM 30 yr | 15+ months late; 2 derailments; public inquiry (Justice Hourigan); political pressure to open before system was ready |
| Ottawa Trillium Line (Stage 2) | $1.6B | $1.6B+ (settling); $100M+ legal claims unresolved | P3 — DBFOM | 2+ years late; awarded to AtkinsRéalis after failing technical scoring twice; sub-contractor litigation ongoing |
| Eglinton Crosstown LRT | $5.3B (2010) + 30-yr maintenance | $13.1B total; $9.2B construction alone | P3 — DBFOM 30 yr (Crosslinx) | Opened Feb. 8, 2026 — 6 years late; $562M in legal settlements; nearly 6× original estimate; Metrolinx CEO described relationship as “broken” |
| HS2 Phase 1 (UK) — closest international HSR parallel | £32.7B (2010) | £66B–98B (2023 est.) | Hybrid public / P3 contracts | Phase 2 (northern leg) cancelled 2023; costs roughly doubled; communities along route disrupted for a decade before cancellation |
| California HSR | US$33B (2008) | US$88–128B (2023 est.) | Public authority | 15+ years behind original schedule; no segment in operation; no end in sight |
What These Projects Have in Common
1. Contracts Too Large to Attract Genuine Competition
Bundling design, construction, financing, and decades of maintenance into a single DBFOM contract limits the pool of companies capable of bidding. Both Eglinton and Ottawa drew minimal competing proposals. When competitive tension is weak, the discipline that is supposed to make P3s efficient evaporates. The Ontario Auditor General documented this effect in 2014, across dozens of provincial P3s.
2. Adversarial Relationships and Litigation as a Cost Driver
In both cases, the government-contractor relationship became adversarial in ways that ultimately cost the public large sums of money. Metrolinx paid more than half a billion dollars in Crosslinx settlements. Ottawa has been in continuous legal dispute across both stages of its LRT expansion. The fixed-price contract structure that was supposed to transfer risk to the private sector instead created powerful incentives for contractors to treat every difficulty as a legal claim rather than a problem to be solved collaboratively.
3. Technical Warnings Documented and Set Aside
In each case, technically credible warnings were available before the problems materialized. The TTC’s 2012 expert panel predicted Eglinton’s specific failure modes with striking accuracy. Ottawa’s technical evaluators unanimously flagged SNC-Lavalin’s Trillium bid as inadequate. In each case, the warnings were recorded and the decisions were made anyway.
4. Political Pressure and the Rush to Open
Justice Hourigan’s inquiry found that political pressure was a primary driver of Ottawa’s decision to open the Confederation Line before it was ready. The pattern — announcement, delay, revised announcement — suggests a structural tension between the political incentives of megaproject announcements and the technical realities of delivering them.
5. The Low-Bid Problem — Already Visible in Alto’s Procurement
Documents obtained through an access-to-information request reveal that when government evaluators reviewed the three bids for the Alto co-development contract, the winning Cadence bid was so financially competitive that evaluators triple-checked whether the project could be delivered at that price. The full bid contents are not public. University of Toronto infrastructure expert Matti Siemiatycki has noted that without knowing what was bid, it will be impossible to track whether costs are creeping up as the project advances.
The Companies: Same Names, New Project
Several companies appear in both the troubled Canadian transit P3s and in the Cadence consortium awarded the Alto co-development contract.
| Company | Role in Alto / Cadence | Canadian P3 History | Notable Issues on Record |
|---|---|---|---|
| AtkinsRéalis (formerly SNC-Lavalin) | Core engineering member, Cadence/Alto | Ottawa Confederation Line (RTG partner, Stage 1); Ottawa Trillium Line (sole contractor, Stage 2) | Key partner in Ottawa Stage 1 inquiry. Won Stage 2 contract after failing technical scoring twice. Facing $100M+ in legal claims. Rebranded from SNC-Lavalin in 2023. |
| CDPQ Infra (La Caisse, Québec pension fund) | Lead investor/financial partner, Cadence/Alto | Montréal REM network; Vancouver Canada Line | REM privatization resulted in Alto being unable to access Montréal Central Station. REM de l’Est cancelled mid-development. |
| SNCF Voyageurs | Operations partner, Cadence/Alto | French TGV/rail network (operator) | Strong European HSR operating credential. No Canadian megaproject delivery history. |
| Keolis | Operations/service design, Cadence/Alto | European transit operations; limited Canadian presence | No Canadian P3 delivery record. Operational management experience only. |
| Air Canada | Cadence consortium member | Airline, not rail infrastructure | Direct conflict of interest: competes for passengers on the same corridor it is helping to design. No rail infrastructure or P3 delivery experience. |
The Alto project is different in kind, not just degree. Eglinton and Ottawa were urban light-rail systems measured in kilometres and costing in the low billions. Alto is a 1,000-kilometre dedicated high-speed corridor, through terrain with no Canadian precedent, at an estimated C$80–120 billion. The risks associated with the P3 model scale accordingly.
Before the Commitments Become Irreversible
This analysis does not argue that Alto should not be built. But the record of large Canadian transit P3s suggests the public interest would be well served by some pointed questions at this early stage.
- What specific lessons from the Eglinton and Ottawa LRT experiences have been incorporated into the Alto co-development contract with Cadence, and how are those lessons enforced rather than simply acknowledged?
- Given that AtkinsRéalis is the lead engineering firm in Cadence and is currently involved in unresolved litigation on the Ottawa Trillium Line, what due diligence was conducted on its track record during the Cadence procurement, and was that record made available to the public?
- Cadence’s winning bid was so financially competitive that government evaluators triple-checked whether the project could be delivered at that price. What public benchmarking mechanism will exist to detect cost escalation in the co-development phase before it becomes irreversible?
- Ottawa’s Confederation Line lost its entire eastern section in March 2026 when overhead catenary power lines failed under ice accumulation, more than six years after opening. What are the published engineering standards for winter resilience on Alto’s proposed route, and have they been independently reviewed?
- The DBFOM contract model — the same structure used for both Eglinton and Ottawa — transfers risk to the private sector in theory. In practice, both projects generated hundreds of millions in government settlements. What contractual mechanism prevents the same dynamic at thirty times the scale?