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Ballard Link Extension project development services
Ballard Link Extension project development services — HNTB Corporation, Phases 1 to 3
Awarded to HNTB — Central Puget Sound Regional Transit Authority (Sound Transit) 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
- Central Puget Sound Regional Transit Authority (Sound Transit)
- Where
- Washington · Seattle
- Segments
- Consultancy
- Technology areas
- Track & civil, Digital operations
- Status
- In execution — The Board authorised the latest modification in April 2026, extending the period of performance by twenty months to complete preliminary engineering and the Final Environmental Impact Statement.
- Value band
- $100–500m
- Currency
- USD
- Key dates (month)
- RFQ advertised April 2017 · Phase 1 executed October 2017 · Phase 2 option May 2019 · Committee recommendation April 2026 · Awarded April 2026
Status in full
Read more
The Board authorised the latest modification in April 2026, extending the period of performance by twenty months to complete preliminary engineering and the Final Environmental Impact Statement. The Draft Environmental Impact Statement was submitted to the Federal Transit Administration and publication was set for the fourth quarter of 2026; the project was recorded at 10 per cent complete measured to revenue service date.
Next step
Recorded award: HNTB — Project development services for the West Seattle and Ballard Link Extensions, Phases 1 to 3
Withheld in the free surface
- Full scope
- Exact value
- How the figure was arrived at
- Key dates (5)
- Published bidders
Full detail withheld: 5 fields. In the United States edition · See a fully open example
4 sources · all primary
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Motion No. M2026-16, Contract Modification with HNTB Corporation for the Ballard Link Extension (Board final action 23 April 2026) (published 2026-04-23 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Resolution No. R2026-14, Budget Amendments for West Seattle Link Extension and Ballard Link Extension Consultant Services Contracts (published 2026-06-25 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Presentation - System Expansion Monthly Status Report, System Expansion Committee 10 September 2026 (published 2026-09-10 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Resolution No. R2026-11, Updating the ST3 System Plan (Board final action 28 May 2026), with Attachment A tables 1-3 and the updated sources-and-uses summary (published 2026-05-28 · checked 2026-09-14)
Related tenders
Same buyer first, then the same segment in this market.
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Sound Transit Link light rail vehicle simulator | Sound Transit | Open | value not published | Published August 2026 |
| Sound Transit Series 3 light rail vehicles | Sound Transit | Bids closed | value not published | |
| West Seattle Link Extension W100 SODO Station | Sound Transit | Bids closed | value not published | Published August 2026 |
Show all 6 related tenders
| Tender | Buyer | Status | Value band | Next key date |
|---|---|---|---|---|
| Sounder commuter rail HVAC overhaul | Sound Transit | Open | value not published | Published July 2026 |
| Ballard Link Extension civil engineering design | Sound Transit | Pre-bid | no value published (pre-solicitation notice) | |
| West Seattle Link Extension W200 Duwamish River Crossing | Sound Transit | Bids closed | value not published | Bids closed July 2026 · award expected |
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