Project updates

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

Project updates

Nightly closures at SR 104 interchange

As early as Monday, April 28, Sound Transit’s contractor will work at the SR 104 interchange in Shoreline for drilling, landscaping, and restoration. This work will require periodic nightly closures of the off-ramp to eastbound SR 104, the off-ramp to westbound SR 104, and the I-5 on-ramp from…

Night work on 5th Ave NE

Beginning Monday, April 28, Sound Transit’s contractor will work at night at the Pinehurst Station from 5th Ave NE. They will use a crane to build the stairwell at the southeast corner of the station. This work will require lane restrictions on 5th Ave NE. We will maintain local access at all times…

Ongoing construction in downtown Federal Way

Sound Transit’s contractors will start construction in downtown Federal Way starting as early as April 18 and lasting approximately three weeks. Work will take place along S 317th Street near the 23rd Avenue S and 28th Avenue S roundabouts.

Nightly shoulder work on I-5

As early as Monday, April 21, Sound Transit’s subcontractor will be conducting general land surveying along I-5 in Lynnwood, requiring the closure of the shoulders to access the work areas.

WSDOT's upcoming overnight lane and off-ramp closures

Sound Transit collaborating with WSDOT: Construction for WSDOT’s I-405/ Brickyard to SR 527 Improvement Project continues. WSDOT crews will work to carry out a full alignment shift on both eastbound and westbound SR 522 lanes at the I-405 and SR 522 interchange in Bothell.

Nighttime lane restrictions of westbound NE 175th St

As early as Thursday, April 17, Sound Transit’s contractor will be removing a temporary camera and its foundation on the NE 175th St roadway. This work will require lane restrictions on westbound NE 175th St from 3rd Ave NE to the I-5 underpass, including a left lane closure on northbound I-5 to…

Lane closures on 200th St SW

As early as Tuesday, April 15, Sound Transit’s contractor will be cleaning and preparing block walls for anti-graffiti coating along 200th St SW. This will require lane closures along 200th St SW. All business driveways will remain open.

Sidewalk and Street Parking Closure on A St NW

Starting Wednesday, April 16, Sound Transit’s contractor will close the sidewalk and street parking adjacent to the garage construction site on A St NW. This closure will remain until the parking garage construction ends, currently scheduled for 2027. 

Recap: April 2 South Downtown Hub Open House

Thank you to everyone who attended the April 2 South Downtown Hub (SDH) Open House and for sharing your feedback and input as we advance the SDH planning effort. 

Join us for tomorrow’s South Downtown Hub Open House!

We hope you can join us for the South Downtown Hub Open House tomorrow, Wednesday, April 2! This open house, hosted by Sound Transit in partnership and collaboration with the City of Seattle and King County, is part of an engagement series to develop, evaluate, and advance improvement projects and…