Skip to main content
Link to homepage
Feedback

Building the system

How we plan and build complex transit projects, and how you can get involved.
  1. Home
  2. System expansion
  3. Building the system
Construction of the University District Station.

History of voter-approved plans

Review the voter-approved plans that have positioned Sound Transit's growth throughout the region.

Loyal to the Local

Supporting local businesses during light rail construction.

Project performance tracker

Tracking our system expansion progress

Project phases: from plans to construction

From idea to operation, it takes a lot of work to bring a complex transit project into service.

Modes of service

We’re building a connected system of trains and buses to move people throughout the region.

Easing construction impacts

Learn how Sound Transit works to be a good temporary neighbor during construction projects.

Community engagement

Input from community stakeholders shapes the planning, design and construction of transit projects. Add your voice.
Enter your email address

Need assistance?

General rider inquiries
main@soundtransit.org
1-888-889-6368, TTY Relay 711,
Monday - Friday, 8 a.m. to 6 p.m.

Accessibility inquiries
accessibility@soundtransit.org 
1-800-201-4900, TTY Relay 711,
Monday - Friday, 8 a.m. to 6 p.m.

Call or text security 24/7
+1 206-398-5268

Quick links

  • Jobs
  • System map
  • Translation services
  • New to Sound Transit?
  • News and events
  • Parking
  • Lost and found
  • Civil rights and complaints
  • Ride with us

Follow us

  • facebook
  • twitter
  • youtube
  • instagram
  • linkedin
© 2026 Sound Transit
  • Terms, conditions and privacy policy

    Main menu

  • Home
  • Ride with us

      Ride with us menu

    • How to ride
    • How to pay
    • Trip planner
    • Routes and schedules
    • Popular destinations
    • Know before you go
    • System performance tracker
  • Get to know us

      Get to know us menu

    • News and events
    • Service maps
    • Board of Directors
    • Doing business with us
    • Office of Civil Rights, Equity and Inclusion
    • Jobs
    • Environment and sustainability
    • Our history
    • Documents and reports
    • Our brand
    • Panels and committees
    • ​Paying for regional transit
    • Achieving long-term affordability
  • System expansion

      System expansion menu

    • Current projects
    • Spring/Summer Progress Report
    • Building the system
    • Creating vibrant stations
    • Planning future service
    • Innovation and technology
  • Help and contacts

      Help and contacts menu

    • Frequently asked questions
    • Translation services
    • Lost and found
    • Business information
  • LifeSTyle
  • The Platform blog
  • ST Shop
  • Feedback