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

236th St SW night closures

Publish Date

Beginning Monday, March 8, through Thursday, March 11, Sound Transit’s contractor will continue to work at night at 236th St SW and the NB I-5 off-ramp. Detours will be provided (see map). The contractor has obtained a Temporary Noise Variance to complete this work.

What

Moderate construction and engine noise at night to install girders for future bridge and mobilization of machinery at 236th St SW. 

When

Work will occur overnight, March 8, through Thursday, March 11. Nighttime closures and detours will be in effect from 11:00 p.m. – 5:00 a.m. 

Where

  • 236th St SW – Eastbound full closure; I-5 NB off-ramp to 236th St SW – ramp closed (see map). 
  • 236th St SW – Westbound will remain open. 

More

  • Detour for 236th St SW at 220th St SW (see map). 
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Please be prepared for delays while this work takes place.
Construction map for 236th St SW closure, Mountlake Terrace Station