Washington Accountability Registry Public Ledger · Refreshed Monthly
Agency record · 2 cases on file

Sound Transit

ST

Regional transit authority covering Pierce, King, and Snohomish counties. Registry cases focus on ST3 program-reset cost growth, West Seattle Link cost escalation, and the board's CEO selection process and conflict exposure.

  1. WA-2025-ST-PROG · Aug 28, 2025 · Documented · $34.50B
    Sound Transit ST3 program-wide cost shortfall — $22–34.5B over 2016 finance plan, formal program reset announced
    In August 2025, Sound Transit released new "bottom-up" cost estimates for the major construction projects in Sound Transit's third mass-transit package (ST3), the regional transit expansion voters approved in 2016. The revised numbers…
    Structural failureMisuse of public resources
  2. WA-2025-ST-WSL · Sep 30, 2024 · Documented · $5.30B
    Sound Transit West Seattle Link Extension — cost growth from $2.7B (2016) to $4.9–5.3B (2025 dollars)
    When voters approved Sound Transit's third mass-transit package (ST3) in 2016, the West Seattle Link Extension was projected to cost approximately $2.7 billion. The estimate grew steadily through 2024 and 2025.
    Structural failure