Project updates

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

Project updates

Nighttime closure of northbound I-5 on-ramp from NE 145th St

Starting Monday, July 1, Sound Transit will close the northbound I-5 on-ramp from NE 145th St for saw cutting along 5th Ave NE. This work is part of the Lynnwood Link Extension.

Nighttime lane restriction of westbound NE 175th St for saw cutting

Starting Monday, July 1, Sound Transit will perform nighttime lane restrictions on westbound NE 175th St. These lanes will be restricted for saw cutting along westbound NE 175th St, just east of the northbound I-5 on- and off-ramp intersection. Crews will perform this work at night due to the…

Sound Transit Board chooses South 336th Street site in Federal Way for Link Operations and Maintenance Facility South

Marking a major milestone for ST3 projects and future Link service in Pierce County and South King County, the Sound Transit Board selected the South 336th Street site in Federal Way as the future location of the Operations and Maintenance Facility (OMF) South. The Board had previously identified…

Traffic Ave parking stall closure and construction site extension

Starting Wednesday, June 26, we are closing two parking stalls for construction at the Traffic Avenue parking lot’s west end side. Additionally, the Sumner garage construction site will extend north to border the crosswalk on Traffic Ave. 

Nighttime full road closure of 5th Ave NE from NE 145th St to NE 148th St, northbound I-5 on-ramp

Starting Tuesday, June 25, Sound Transit will close 5th Ave NE between NE 145th St and NE 148th St for pavement milling along the 5th Ave NE roadway. The northbound I-5 on-ramp from NE 145th St will also be closed. This work is part of the Lynnwood Link Extension.

Full closure of NE 175th St and northbound I-5 on and off-ramps

Starting Monday, June 24, Sound Transit will close both directions of NE 175th St from 5th Ave NE to the I-5 underpass, including the northbound I-5 on- and off-ramps at NE 175th St. Crews will be milling the 175th roadway as part of the Lynnwood Link Extension.

Save the date! South Downtown Hub Workshop 2

Join us on Wednesday, July 17, when we’ll co-host the second South Downtown Hub workshop with the City of Seattle and King County. Your feedback and ideas will contribute to the community’s future and transit connections in the Chinatown-International District and Pioneer Square neighborhoods.

Center lane closure on 200th St SW

As early as Tuesday, June 25, Sound Transit’s contractor will begin road restoration work on 200th St SW. Crews will close the center lane on 200th St SW between 48th Ave W and 46th Ave W. One lane going each direction will remain open. The contractor has received a temporary noise variance to…

Daily full road closure of 46th Ave W

As early as Friday, June 21, Sound Transit’s contractor will continue working on the storm crossing at 46th Ave W. This will require the closure of 46th Ave W south of 200th St SW. Detours will be provided (see map). The contractor has received a temporary noise variance to complete this work.

Westbound NE 175th St lane restriction for curb and sidewalk restoration work

Continuing Monday, June 17, Sound Transit will continue performing nighttime lane restrictions on westbound NE 175th St. These lanes will be restricted for curb and sidewalk restoration on the northeast corner of the northbound I-5 on- and off-ramp intersection. Crews will perform this work at…