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

Off-ramp to westbound State Route (SR) 104 and off-ramp to SR 104 eastbound closed

Publish Date

Over several weeks in May and June, Sound Transit's contractor will continue to work at night on the off-ramp to eastbound SR 104. The eastbound off-ramp will be closed while this work is completed. Detours will be provided (see map). The contractor has obtained a Temporary Noise Variance to complete this work. This work is weather-dependent and may need to be rescheduled. 

What

Moderate construction and engine noise at night to construct columns for the future elevated guideway and mobilization of machinery at the Interstate 5 SR 104 interchange.

When

  • Overnight May 24 – 28, May 31 – June 4 and June 9 -11. 
  • Nighttime closures and detours will be in effect from, 8 p.m. – 4 a.m. A Temporary Noise Variance will be in effect from 10 p.m. - 7 a.m.

Where

Northbound I-5 off-ramps to eastbound SR 104.

More

  • There will be posted signs for the detours (see map).
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Please be prepared for delays while this work takes place.
Map of State Route 104 detour.