Sound Transit 3

ST3 in Bellevue

The voter approved Sound Transit 3 (ST3) measure will bring bus, light rail and parking projects to the Eastside. These projects will connect Eastside cities with other Eastside cities, as well as to Downtown Seattle via the East Link light rail extension, which is currently under construction in Bellevue.

Check out Sound Transit's System Expansion Interactive Map.

ST3 projects occurring within Bellevue will include:

I-405 Bus Rapid Transit

This project will connect the I-405 corridor, from the Lynnwood Transit Center to the Burien Transit Center via the Bellevue Transit Center, with bus service every 10-minutes. Project elements include new parking, station access improvements, a new transit center in South Renton and new stations at Northeast 85th Street in Kirkland and Northeast 44th Street in Renton.

The project is expected to open in 2023, with early planning work beginning in late 2017.

South Kirkland Park and Ride to Issaquah Light Rail

This project will create a second Eastside Light Rail Line between the South Kirkland Park and Ride and Issaquah, via Eastgate and central Bellevue.

The project is expected to open in 2041, with early planning work beginning in 2026.


Luke LamonSound Transit, East King County Government and Community Relations Manager

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