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

Upcoming I-90 ramp closures

Publish Date

Beginning Tuesday Aug. 6, crews will close the 80th Avenue westbound HOV off-ramp during off-peak hours to test newly installed intelligent transportation systems (ITS) fiber. This closure is scheduled to occur on Aug. 6 and 7, from 9 a.m. – 3 p.m. Drivers can use the Island Crest Way westbound off-ramp at this time. King County Metro and Sound Transit Express buses will continue to service the Mercer Island Park-and-Ride during this time.

What

Off-peak closure of the 80th Avenue westbound HOV off-ramp 

When

Tuesday Aug. 6 and Wednesday Aug. 7, 9 a.m. to 3 p.m.

Where

80th Avenue westbound HOV off-ramp.

More

  • The 80th Ave. westbound HOV off-ramp will close on Tuesday, Aug. 6 and Wednesday, Aug. 7; from 9 a.m. to 3 p.m.
  • Drivers can use the Island Crest Way westbound off-ramp during this time.
  • King County Metro and Sound Transit Express buses will continue to service the Mercer Island Park-and-Ride during this time. 
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Due to inclement weather or unforeseen issues, dates and times are subject to change.
Map of 80th Avenue westbound HOV off-ramp closures.