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.