West Seattle and Ballard Link Extensions

Serving regional jobs, dense neighborhoods.

2. Timeline and milestones

  • Voter approval (2016)

  • Milestone Target
    Alternatives development 2017 to 2019
    Board identifies preferred alternative 2017 to 2019
    Draft Environmental Impact Statement 2019 to 2022
    Final Environmental Impact Statement 2019 to 2022
    Board selects project to be built 2019 to 2022
    Federal Record of Decision 2019 to 2022
  • Milestone Target
    Final route design  
    Final station designs  
    Procure and commission station and public art  
    Obtain land use and construction permits  
  • Milestone Target
    Conversations with property owners  
    Groundbreaking  
    Construction updates and mitigation  
    Safety education  
    Testing and pre-operations  

  • Open for service (2030/2035)

*West Seattle: Design is expected to begin in 2022 and be completed in 2025. Construction and testing is expected to begin in 2025 and be completed in 2030.

Ballard and downtown Seattle light rail tunnel: Design is expected to begin in 2023 and be completed in 2026. Construction and testing is expected to begin in 2027 and be completed in 2035.