Nightly Island Crest Way westbound HOV ramp closures

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Beginning as early as Monday, Aug. 28 until Monday, Sept. 11, the Island Crest Way westbound HOV on-ramp will close nightly between 9.p.m. and 5 a.m. Sound Transit's contractor will use these closures to relocate traffic information system cabinets to prepare for Mercer Island station construction. See below for more information.

Here's what you can expect:

  • Island Crest Way westbound HOV on-ramp will be closed between 9 p.m. and 5 a.m. daily from Monday, Aug. 28 until Monday, Sept. 11.
  • Please use the 76th Avenue and West Mercer Way westbound on-ramps during this closure.
  • Crews will relocate existing traffic information system cabinets within the tunnel. Pick-up trucks will be used and back-up alarms will be minimized to prevent noise.
  • Crews will work in the existing right of way with traffic control in place. Please follow signed detours and flaggers to safely access your destination.

Map of Mercer Island on ramp closures.