Sounder South Capacity Expansion

Improvements to serve more Sounder South riders

News and updates

Sound Transit Board acts on realignment

In early 2020, the Board launched a process called realignment to review options for addressing the significant affordability gap, most recently forecasted at $6.5 billion, affecting our future…

Sounder South Capacity Expansion web photo

Update on Sounder South Capacity Expansion

In early 2019, Sound Transit began planning for the voter-approved Sounder South Capacity Expansion program, to meet growing demand on Sounder and improve the rider experience. In early 2020, we…

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What we heard during winter outreach

In January, Sound Transit released the Draft Strategic Development and Implementation Plan, which outlined an approach to delivering the Sounder South Capacity Expansion. The draft plan described…

Illustration showing Sounder train in Seattle.

Upcoming weekend Sounder trains: Feb. 25, 22 and Mar. 1

Sound Transit is running Sounder special event trains on three upcoming weekends: Saturday, Feb. 15: Seattle Dragons vs. Tampa Bay Vipers Saturday, Feb. 22: Seattle Dragons vs. Dallas Renegades…

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Sounder South Capacity Expansion Online Open House

The Sounder South Capacity Expansion Project wants to hear from you! We have launched our first outreach effort for 2020 with our online open house. Learn about potential investments in Sounder South…