The Cone Zone

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Know before you go. Make sure there aren't any unexpected delays in your drive by checking the weekly News Feed below for scheduled work project in Sammamish.

Please Note: Schedules may change due to weather and/or equipment availability.


Know before you go. Make sure there aren't any unexpected delays in your drive by checking the weekly News Feed below for scheduled work project in Sammamish.

Please Note: Schedules may change due to weather and/or equipment availability.

Redmond Light Rail Extension

The City of Redmond is preparing for the arrival of four light rail stations: Overlake Village and Redmond Technology Stations in 2023, and the Southeast Redmond and Downtown Redmond Stations in 2024.

Sound Transit’s design-build team is well into the final design for the 3.4-mile light rail extension from Overlake to Downtown Redmond, which is known as the Downtown Redmond Link Extension (DRLE). The DRLE has two stations: one in Southeast Redmond in Marymoor Village, and one in Downtown Redmond adjacent to the Redmond Central Connector. Both are scheduled to open in 2024. 

Due to the proximity to Sammamish and the potential for construction-related traffic impacts to Sammamish residents, the City is sharing information on the DRLE to keep residents informed. 

Learn more about these projects:


Downtown Redmond Link Extension (DRLE) Construction Outlook for 2021 

March and April 2021 Construction Activities:

  • Start foundation work for the SE Redmond Garage (March). 
  • Complete all the clearing and grubbing including in Downtown Redmond along the Redmond Central Connecter Trail (RCC Trail) (March) 
  • Construction continues at the cut-and cover tunnel at NE 51st St. and will begin at NE 40th Street (March) 
  • The drilling crews will move to Downtown and begin near the Downtown Station (March) 
  • Complete drilled shafts to support elevated guideway over Sammamish River and start erection of the columns (April) 

May and June 2021 Construction Activities:

  • Start girder placement for the aerial guideway structure over the Sammamish River (May) 
  • Complete ground improvement along Marymoor Park (June) 
  • Substantially complete the 51st cut-and cover tunnel (June)
  • Begin temporary ramps at 520/202 interchange (June) 
  • Early preparation in advance of the Bear Creek work restricted to the July and August fish window (June)

How to Get Project Updates

Sound Transit is working to keep businesses and residents informed as construction for the Downtown Redmond Link Extension (DRLE) continues to progress along the entire 3.4 - mile alignment. Sound Transit provides regular updates for all of its projects including DRLE. Community members can go to Sound Transit (govdelivery.com) to subscribe to updates for particular projects.

How to Get Traffic Alerts from the City of Redmond

City of Redmond Traffic Alerts

Active Traffic Alerts:

  • What: Sound Transit Construction. Intermittent lane closures and periodic sidewalk closures due to road/utility construction. Expect delays. Night work can and will take place.
  • Where: 40th St, 156th Ave NE, 36th St, Augusta Dr (private, 152nd Ave NE and Microsoft Rd (private)
  • When: August, 14th 2019 – April, 18th 2021


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