Project updates
Learn about where and when construction is happening throughout the ST district.
Lynnwood Link Extension Shoreline North/185th Station Mountlake Terrace Station

On ramp from eastbound SR 104 to northbound I-5 and off-ramp to westbound SR 104 to close

Publish Date

As early as Monday, April 6, Sound Transit's contractor will begin night work on the ramp from eastbound State Route 104 to the northbound ramp of Interstate 5. Both the on and off ramps will be closed while this work is being done. 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

Preparatory work for a temporary signal. Work will include trenching, boring, electrical work, demolition of asphalt and concrete, earthwork, and trucking concrete and asphalt placement.  

When

Monday, April 6, through Friday, April 17. Monday – Friday 8 p.m. to 4 a.m. This work will be done at night only.

Where

  • Eastbound SR 104 on ramp to northbound I-5 ramp.
  • I-5 northbound to westbound SR 104.
  • SR 104 westbound onto ramp to I-5 northbound.
  • I-5 northbound 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.

Thank you for your patience as we work to bring high-capacity light rail service to Snohomish County, providing a traffic free link from Lynnwood to downtown Seattle in 27 minutes.

Map of ramp closures and detours for Interstate 5 and State Route 104.