Off-peak daily Westbound Island Crest Way HOV on-ramp closures extended October 16-20

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Beginning as early as Monday Oct. 16 and lasting until Friday Oct. 20, the Westbound Island Crest Way HOV on-ramp will close during off-peak hours. Crews will use this time to demolish portions of the tunnel portal.

Here's what you can expect:

  • Island Crest Way Westbound HOV on-ramp is planned to be closed daily, from Monday Oct. 16 until Friday Oct. 20, from 9 a.m. until 3 p.m. Drivers will be able to use the76th Avenue and West Mercer Way Westbound on-ramps.
  • Crews will demolition portions of the tunnel portal in preparation for station construction.
  • 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 westbound Island Crest Way closure.