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VTA BART Silicon Valley Phase II
VTA — BART Silicon Valley Phase II: six-mile, four-station single-bore extension; revenue service February 2039
Awarded to Kiewit — Santa Clara Valley Transportation Authority now holds 1 position with this supplier.
Every fact on this page is free. Exact values, dates, award detail and the procurement route open in the United States edition — one edition is free with one email. Open your free edition · Open this record in the Atlas
- Buyer
- Santa Clara Valley Transportation Authority
- Where
- California · San Jose
- Segments
- Civil works, Track, Stations & depots
- Technology areas
- Track & civil, Signalling & train control
- Status
- In execution — Cost has nearly doubled since the 2022 tunnel award; VTA invoked the offramp clause in the Kiewit Shea Traylor contract in 2025 after proposals exceeding twice the budget, and the board approved a contractor change in February 2026.
- Value band
- over $1bn
- Currency
- USD
- Key dates (month)
- Kst award 2022 · Bechtel cm award July 2024 · Offramp recommended June 2025 · Contractor change approved February 2026 · Completion 2037 · Revenue service February 2039
Status in full
Read more
Cost has nearly doubled since the 2022 tunnel award; VTA invoked the offramp clause in the Kiewit Shea Traylor contract in 2025 after proposals exceeding twice the budget, and the board approved a contractor change in February 2026. Revenue service is projected for February 2039.
Next step
Recorded award: Kiewit — BART Silicon Valley Phase II CP2 tunnel and trackwork, progressive design-build
Withheld in the free surface
- Full scope
- Exact value
- How the figure was arrived at
- Key dates (6)
- Published bidders
Full detail withheld: 5 fields. In the United States edition · See a fully open example
4 sources · 1 primary
- ● Santa Clara Valley Transportation Authority · BART Silicon Valley Phase II — contracting (packages CP1-CP4; procurement desk and portal) (published 2026 · checked 2026-09-12)
- ○ Engineering News-Record · Bechtel picked as CM for $12.7B single-bore BART extension (published 2024-07-01 · checked 2026-09-12)
- ○ Engineering News-Record · VTA may seek new tunneling contractor for BART Silicon Valley extension (published 2025-06-20 · checked 2026-09-12)
- ○ Engineering News-Record · Single-bore tunnel method chosen for BART Silicon Valley Phase II (published 2025-11-04 · checked 2026-09-12)
Related tenders
Same buyer first, then the same segment in this market.
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Ashmont and Mattapan Infrastructure Upgrades | MBTA | Open | $100–500m | |
| VTA BART Silicon Valley Phase II packages · 2 parts | VTA | Planned | Varies by part | |
| VTA BART Silicon Valley Phase II CP1 | VTA | Planned | value not published | |
| VTA BART Silicon Valley Phase II CP4 | VTA | Planned | value not published |
Show all 6 related tenders
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|---|---|---|---|---|
| Green Line Riverside Inner Belt VMF Type 10 | MBTA | Open | no package value published | |
| Light Rail Modernization Program Tranche 3 Cromwell Facility | MDOT MTA | Open | estimated cost class L: over $100 million, in MTA's own construction look-ahead of August 2026; MTA publishes no contract value | Published July 2026 |
| Red Line Hi-Rail Access Tunnel Alewife | MBTA | Open | $25–100m |
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