Stride S3 Line
Adding new bus rapid transit service along SR-522 and Northeast 145th Street between Shoreline and Bothell.

News and updates

Stride S3 Line is moving towards 60% design

In this phase, we will clarify the design plans for the project and begin construction in some areas as the project moves closer to the 60% design milestone. At 60% design the project will: Begin…

Sound Transit secures $15.9 million in new federal funding supporting Stride bus rapid transit construction on south I-405

Sound Transit will receive $15.9 million in new federal funding for Stride bus rapid transit investments on south I-405 that will dramatically improve bus service for the region’s residents. The…

Sound Transit Board selects Stride BRT projects to be built

The Sound Transit Board has selected the route, station locations and roadway improvements for Stride bus rapid transit on I-405 and SR-522/NE 145th. Stride BRT lines are scheduled to open in 2026…

Project timeline and outreach update

The steep rise in real estate and construction costs in the region have driven up cost estimates for future transit expansion projects, contributing to a $6.5 billion affordability gap for delivering…

Sound Transit Board selects BRT Maintenance Base project to be built Sound Transit Board selects BRT Maintenance Base project to be built

The Sound Transit Board today selected the Canyon Park area of Bothell as the site for the bus rapid transit maintenance base that will enable the operation of BRT on I-405 and SR-522. This action…

Sound Transit Board realignment action

As a project stakeholder, you’ve heard a lot about the Sound Transit Board’s ongoing work to advance our voter-approved projects in a challenging fiscal environment.

SR522/NE 145th Bus Rapid Transit project update header

What is the latest?

Since the start of the year, our team has been busy delivering our online open house and virtual city public meetings. Below you will find an update on our recent and upcoming activities. The…

Photo of a bus at a bus stop, SR 522/NE 145th Bus Rapid Transit Project update

SEPA Checklist, Technical Memoranda, and SEPA Threshold Determination

Sound Transit has prepared a State Environmental Policy Act (SEPA) environmental checklist for the SR 522/NE 145th Bus Rapid Transit (BRT) project. Along with the environmental checklist, Sound…

rendering of a stride brt bus at a stop with people waiting

SR 522/NE 145th Stride Bus Rapid Transit Online Open House

Visit our online open house now through March 11 to see design updates, learn about the project timeline and sign up for the online public meeting in your city! Visit today!

Screenshot from the project team's recording from an online public meeting.

Final week to visit the online open house

You can still visit our online open house through this Thursday, March 11! Thank you to all those who have already visited the website and joined our online public meetings for Kenmore and Seattle/…