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Sound Transit 1 Line traction power modernisation
Sound Transit traction power programme — 1 Line traction power electrification modernisation, overhead catenary de-icing and TPSS upgrades
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
- Electrification
- Technology areas
- Predictive maintenance, Digital operations
- Status
- Planned — The programme's authorized allocation rose in the 2026 budget on the strength of two new projects.
- Value band
- $25–100m
- Currency
- USD
- Key dates (month)
- Programme increase 2026 · Tpss db solicitation 2026
Status in full
Read more
The programme's authorized allocation rose in the 2026 budget on the strength of two new projects. Budget-year activities are design for the traction electrification system modernisation and retrofitting of modern equipment, consulting, equipment procurement and the start of contractor bidding for the 1 Line work; design, consulting, equipment procurement and the start of bidding for the OCS heater installation; and determining the delivery method for the Link TPSS upgrades, either a design-bid-build task order under the design MATOC or an alternative delivery procurement package.
Next step
Withheld in the free surface
- Full scope
- Exact value
- How the figure was arrived at
- Key dates (2)
- Published bidders
Full detail withheld: 5 fields. In the United States edition · See a fully open example
2 sources · all primary
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · 2026 Adopted Budget and Financial Plan — agency overview, transit operating budgets by mode, project budgets, Transit Improvement Plan and Appendix I project and programme detail pages (published 2026-03-23 · checked 2026-09-14)
- ● Central Puget Sound Regional Transit Authority (Sound Transit) · Quarterly Procurement Look Ahead — upcoming architectural, engineering and construction procurements over the next 18 to 24 months, last updated July 2026 (published 2026-07 · 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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Compiled by Watchtower to editorial standards the Managing Partner sets and enforces. Public record only — every datum carries its source.