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

236th Street SW nighttime closures

Publish Date

Over several weeks in June, Sound Transit’s contractor will work at night at 236th St. SW and the NB I-5 off-ramp to continue to build the elevated trackway. 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 work on the elevated trackway. 

When

Nighttime closures and detours will be in effect from 11:00 p.m. – 5:00 a.m.

  • Monday, June 14 – Thursday, June 17 
  • Monday, June 21 – Thursday, June 24
  • Monday, June 28 – Thursday, July 1

Where

  • 236th St. SW – Eastbound closed; I-5 NB off-ramp to 236th St SW – ramp closed (see map). 
  • 236th St. SW – Westbound closed; vehicles must turn left on 56th Ave W, right onto 244th St. W and continue on to I-5. 

More

  • 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 closures and detours, Mountlake Terrace Station