Project updates
Learn about where and when construction is happening throughout the ST district.
East Link Extension

Upcoming construction traffic impacts

Publish Date

I-405 to westbound I-90 overnight ramp closures and lane reductions on westbound I-90

Work continues on the cast-in-place long span rail bridge over I-90. Crews plan to close all ramps from I-405 to westbound I-90 to advance the ‘traveler crane’ over I-90. 

When

  • Monday, August 19 and Sunday, August 25, night closure, 8 p.m. to 5 a.m.

Where

  • Right general purpose lane of westbound I-90: 11 p.m. to 5 a.m.
  • Left general purpose lane of westbound I-90: 10 p.m. to 5 a.m.
  • I-405 north to westbound I-90 general purpose ramps: 10 p.m. to 5 a.m.
  • I-405 south to westbound I-90 ramp: 10 p.m. to 5 a.m.
  • I-405 south to westbound I-90 HOV ramp: 8 p.m. to 5 a.m. 
  • Richards Rd/ SE 32nd St.to westbound I-90 ramps: 9 p.m. to 5 a.m. 

More

  • I-405 to I-90 detour: from I-405, drivers should follow detour signs to I-90 east. Exit at 150th Ave SE toward Eastgate Way then proceed to the westbound I-90 exit toward Seattle.
  • Sound Transit's contractor is permitted to work expanded hours in the I-90 corridor and adjacent to Bellevue Way Southeast, including 24-hour work in this area.
  • Plan ahead, leave early and allow extra time to reach your destination. 
  • Due to inclement weather or unforeseen issues, dates and times are subject to change.
Map of I-405 to I-90 West Ramp closure detour


Updated 8/23/2019: The bus stop on Bellevue Way SE  and 112th Avenue SE (at the Park and Ride) will be closed from 5 a.m. on Saturday, August 24 through 9 p.m. on Sunday August, 25.

Eastbound I-90 to Bellevue Way SE weekend ramp closures

In preparation for restoration of northbound lanes and sidewalks on Bellevue Way SE, crews will close the general purpose and HOV ramp from eastbound I-90 to Bellevue Way SE. 

When

  • From 5 a.m. on Saturday, August 24 through 9 p.m. on Sunday, August 25th

Where

  • Ramps from eastbound I-90 to Bellevue Way SE

More

  • Eastbound I-90 to Bellevue Way SE detour: Detour from I-90 to Bellevue Way SE and 112th Ave SE via Factoria Boulevard. Two-way traffic will be maintained on Bellevue Way SE at all times.
  • Ramps from southbound Bellevue Way SE to westbound and eastbound I-90 will remain open. 
  • Parking for Mercer Slough Park users will be moved to designated spaces on SE 30th.
  • Sound Transit's contractor is permitted to work expanded hours in the I-90 corridor and adjacent to Bellevue Way Southeast, including 24-hour work in this area.
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Due to inclement weather or unforeseen issues, dates and times are subject to change.
Map of Eastbound I-90 to Bellevue Way Ramp closure


Bellevue Way SE to eastbound I-90 ramp closure

Work continues on the cast-in-place long span rail bridge over I-90. Crews plan to close all ramps from I-405 to westbound I-90 to advance the ‘traveler crane’ over I-90. 

When

  • Thursday, August 22, night closure, 10 p.m. to 5 a.m.

Where

  • Ramp from Bellevue Way SE to eastbound I-90

More

  • Bellevue Way SE to I-90 east detour: from Bellevue Way SE, travel west on I-90 and take the first exit onto East Mercer Way. Follow the detour signs back to eastbound I-90.Sound Transit's contractor is permitted to work expanded hours in the I-90 corridor and adjacent to Bellevue Way Southeast, including 24-hour work in this area.
  • Sound Transit's contractor is permitted to work expanded hours in the I-90 corridor and adjacent to Bellevue Way Southeast, including 24-hour work in this area.
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Due to inclement weather or unforeseen issues, dates and times are subject to change.
Map of Eastbound I-90 Ramp closure detour


East Link construction progress photos

Just a few years after crews began building the 14-mile East Link light rail extension, work on the project is more than half-complete. Check out and join the East Link Light Rail Facebook Group for additional project updates and construction progress photos.

East Link Light Rail on Facebook

 

Reminder of ongoing closures

  • Bellevue Way SE reversible lane configuration
  • Sidewalk closures and detours on Bellevue Way SE and 112th Ave SE
  • Bellevue Way SE to I-90 west HOV ramp long term closure (closed through May 1, 2020)
  • 112th Ave SE daytime lane reductions
  • 112th Ave SE bypass road
  • Closure of SE 15th at 112th Ave SE
  • Winters House and Blueberry Farm Closure and new temporary lot

Get more information on previously announced long-term and ongoing closures here.


Night work over I-90

Work continues on the cast-in-place long span rail bridge over I-90. Ramp and lane closures will be necessary to safely complete installation of girders and temporary light plants will be used to illuminate the work area.

Monday-Thursday night (Friday morning) 8 p.m. to 5 a.m.: Work to construct the long-span bridges over I-90 is expected to continue into mid-2019. Sound Transit's contractor is permitted to work expanded hours in the I-90 corridor and adjacent to Bellevue Way Southeast, including 24-hour work in this area.

Get more information on long-span construction here.