Project updates

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

Project updates

Northbound I-5 on-ramp from NE 145th St HOV lane closure

As early as Monday, April 29, Sound Transit will close the HOV lane on the northbound I-5 on-ramp from NE 145th St for landscaping. This work is part of the Lynnwood Link Extension. 

Now open: South Lake Union Feasibility Study Survey  

We are seeking feedback on a new concept for a potential additional alternative in the South Lake Union (SLU) and Denny area. Today, the Ballard Link Extension (BLE) project staff gave a technical presentation to the ST Board of Directors on the findings of a feasibility study of this potential…

Revised dates: Nightly lane restrictions on NE 145th St (WA-523)

Sound Transit will perform waterline work causing nighttime lane restrictions on eastbound and westbound NE 145th St (WA-523) from 3rd Ave NE to 8th Ave NE. The street will be restricted just east of 5th Ave NE on NE 145th St. This work will happen at night to minimize…

Full closure of 200th St SW

As early as Monday, April 22, Sound Transit’s contractor will continue with saw cutting and road work on 200th St SW. This will require the full closure of 200th St SW between 46th Ave W and 44th Ave W. Detours will be provided. 

New dates for South Lake Union Feasibility Study Survey and Webinars

Thank you for your patience as we rescheduled the survey and webinars to share findings from the South Lake Union (SLU) Feasibility Study and collect your feedback.New dates for feedback opportunities: April 25 – May 7: Take our online survey!April 29, 5:30 – 6:30 p.m.: Join our Webinar #1 May 2,…

Night work along I-5 in Mountlake Terrace

As early as Monday, April 22, Sound Transit’s contractor will perform night work on I-5 in Mountlake Terrace. This work will include median filter drain installation, metal beam guardrail installation and removal, and barrier removal. The contractor has obtained a temporary noise variance to…

Nightly lane restrictions on NE 145th St (WA-523)

Continuing Sunday, April 21, Sound Transit will perform waterline work causing nighttime lane restrictions on eastbound and westbound NE 145th St (WA-523) from 3rd Ave NE to 8th Ave NE. The street will be restricted just east of 5th Ave NE on NE 145th St. This work will happen at night to minimize…

Full nightly closure of 200th St SW

As early as Wednesday, April 17, Sound Transit’s contractor will begin road work on 200th St SW for saw cutting and survey activities. This will require the full closure of 200th St SW between 46th Ave W and 44th Ave W. Detours will be provided.

Full closure of 46th Ave W

As early as Tuesday, April 16, Sound Transit’s contractor will continue working on pavement striping at 46th Ave W. This will require the closure of 46th Ave W south of 200th St SW and the HOV ramp from the Lynnwood Transit Center. Detours will be provided (see map). The contractor has received a…

Full closure of 48th Ave W

As early as Tuesday, April 16, Sound Transit’s contractor will continue road paving on 48th Ave W. This will require the full closure of 48th Ave W south of 200th St SW. Access to businesses and residences will be maintained on 200th St SW. Detours will be provided (see map).