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

Full closure of SR 104

Publish Date

As early as Wednesday, Aug. 12, Sound Transit's contractor will close State Route 104 for crane and equipment mobilization. Both the on and off ramps will be closed during nighttime work hours. 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

Crane and equipment mobilization across SR 104.

When

Wednesday, Aug. 12, and Thursday, Aug. 13 from 12 a.m. to 5 a.m. This work will be done at night only.

Where

  • SR 104 off ramp to Northbound Interstate 5 ramp.
  • Northbound I-5 off ramp to Westbound SR 104.
  • SR 104 on ramp from Ballinger Way Northeast.

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 closure.