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

Upcoming construction traffic impacts Thursday, Feb. 14 – Friday, Feb. 22

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

Publish Date
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UPDATED 2/14/2019: This activity has been postponed to Monday, Feb. 18th due to weather.

What

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. See map below.

When

  • Thursday, Feb. 14th, (Friday morning) night closures, 8 p.m. to 5 a.m.: Due to inclement weather or unforeseen issues, dates and times are subject to change.

Where

  • Ramp closures: I-405 south to I-90 west HOV ramp, I-405 south to I-90 west general purpose ramp, I-405 north to I-90 west HOV ramp; Richards Road and Southeast 32nd to westbound I-90
  • Lane closures: I-90 westbound HOV lane, I-90 westbound left general purpose lane, I-90 westbound right general purpose lane

More

  • I-405 to I-90 detour: from I-405, drivers should follow detour signs to I-90 east. Exit at 150th Avenue Southeast 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.

Contact us

Outreach Specialist: jason.hampton@soundtransit.org or 206-903-7177
After-hours construction hotline: 888-298-2395

I-405 to I-90 west ramp closure detour map

Reminder of ongoing closures

  • Bellevue Way Southeast reversible lane configuration
  • Sidewalk closures and detours on Bellevue Way Southeast and 112th Avenue Southeast
  • Bellevue Way Southeast to I-90 west HOV ramp long term closure
  • 112th Avenue Southeast daytime lane reductions
  • 112th Avenue Southeast bypass road
  • Closure of Southeast 15th at 112th Avenue Southeast
  • Winters House and Blueberry Farm Closure and new temporary lot

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

Upcoming 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.