Building the system

How we plan and build complex transit projects, and how you can get involved.
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.