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Bus Rapid Transit: I-405

Project Highlights

Start of service:



Starting in 2024 Sound Transit will begin Bus Rapid Transit (BRT), a new high-capacity transit service providing fast, frequent and reliable bus connections to communities north, east and south of Lake Washington. Like rail on rubber tires, the BRT system will be designed for fast arrivals and departures including off-board fare payment and multiple-door entry and exit. New bus lanes and transit priority improvements will help riders enjoy faster service and avoid traffic congestion. Many stations will include expanded parking. With buses running as often as every 10 minutes, this new service will connect to the growing Link light rail network at Shoreline, Lynnwood, Bellevue and Tukwila as well as to other transit service provided by Sound Transit, Community Transit and King County Metro. The representative project also includes a new bus operations and maintenance facility in Bothell to guarantee a safe, clean and comfortable ride for Sound Transit BRT passengers.

I-405 BRT will connect communities along I-405 and SR 518 from Lynnwood to Burien with a new transit center in South Renton and 11 BRT stations, three of which will include added parking. Buses will travel in managed lanes to increase speed and reliability. I-405 BRT will build upon the Washington State Department of Transportation's I-405 Master Plan with roadway improvements facilitating faster bus travel. Connections to Link light rail will be available at Lynnwood, Bellevue and Tukwila.


  • Planning


  • Length:
    • 37 miles
  • Stations:
    • 11 stations
  • Anticipated ride times:  
    • Lynnwood to Bellevue: 42 minutes
    • Burien to Bellevue: 45 minutes 


  • Regional

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