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

Closure of 212th Street SW for night work

Publish Date

As early as Monday, September 28, Sound Transit’s contractor will close 212th Street SW to begin work to install the bridge shafts for the Lynnwood Link Extension trackway. This work will include large trucks hauling material and excavators to load out dirt. Work will also include large drilling equipment and cranes to complete the installation of the drilled shafts. The contractor has obtained a noise variance to complete this work.

What

Bridge shaft installations.

When

  • Monday, September 28, through Tuesday, October 6, 7:00 p.m. – 5:00 a.m.
  • Wednesday, October 7, through Monday, October 12, 10:00 p.m. – 5:00 a.m.

Where

Work will take place along 212th Street SW between 54th Ave W and the I-5 overpass. There will be a detour in place (see map).

More

  • Noise blankets will be used where needed to help minimize noise.
  • Flaggers will be present during the day.
  • Due to inclement weather or unforeseen issues, dates and times are subject to change.
  • Plan ahead, leave early and allow extra time to reach your destination.  
Construction map for 212th St SW Closure, Lynnwood Link Extension