Mercer Corridor Project: Full closure of Fifth Ave N between Harrison Street and Denny Way, Dec. 6-8

The Seattle Department of Transportation advises travelers that portions of Fifth Avenue North between Harrison Street and Denny Way will be closed beginning Saturday, Dec. 6, at 4 a.m. and continuing through Monday, Dec. 8 at 5 a.m., weather permitting. Crews will remove sidewalk and pavement for replacement. Please plan ahead and expect significant traffic delays.

Travelers can expect the following impacts:

  • Northbound Fifth Avenue North between Denny Way and Harrison Street will be fully closed.
  • Southbound Fifth Avenue North between Harrison and Broad streets will be fully closed.

During the closure:

  • Vehicle traffic will be detoured around the closure onto Harrison and Broad streets.
  • Local access to businesses on Fifth Avenue North will be maintained at all times.
  • Early warning signs will be available in advance of all detours and police officers will manage traffic at key intersections on the detour route.
  • Advanced signage will be posted to direct pedestrians around the work zones.

Alternate routes during the closure may be found at:

Please note, work will occur throughout the weekend and may include nighttime construction activities which may be noisy in the surrounding area. Please call our 24-hour construction hotline at 206-419-5818 if you have questions or concerns about noise.

This work is weather-dependent and may be cancelled and rescheduled for later dates if inclement weather occurs.

More information about alternate routes during Mercer Corridor construction may be found at: