2. Timeline and milestones

  • Voter approval (2016)

  • Milestone Target
    Early evaluation of possible routes, including public comment and early alternatives report October 2012-June 2013
    Route alternatives narrowed and selected for Environmental Impact Statement June 2013-September
    Draft Environmental Impact Statement published for public comment Early 2015
    Sound Transit Board selects route January 2017
    Sound Transit finalizes agreements with partner cities Mid 2017
    Sound Transit requests proposals for final Design-Build contract Mid 2018

    Sound Transit will select contractor

    Early-Mid 2019​​​​​​​



  • Design (2019-2023)
    We are here

  • Construction (2019 - 2023)

  • Open for service (2024)