Project updates
Learn about where and when construction is happening throughout the ST district.
East Link Extension Mercer Island Station

Upcoming I-90 Ramp Closures

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In the coming weeks, crews will begin erecting steel supports to frame the 77th Ave. head house. Crews will also continue to pour concrete barriers. Beginning as early as Monday April 30, the Island Crest Way Westbound HOV on-ramp will close daily, from 9 a.m. to 3 p.m.

Map of Island Crest Way Westbound closures on Mercer Island starting Monday, April 30th


Beginning as early as Monday May 7, the Island Crest Way Eastbound HOV off-ramp will close daily, from 9 a.m. to 3 p.m. Drivers can use the West Mercer Way and 76th Avenue Southeast westbound on-ramps and the West Mercer Way and 77th Ave. eastbound off-ramps during these closures.

Map of Island Crest Way Eastbound closures on Mercer Island starting Monday, May 7th

 
Closures are planned to occur daily but may happen sporadically. Drivers should pay attention to signage and overhead reader boards for more information.


City of Bellevue Fire Department training exercise

Sound Transit and its contractor are collaborating with the City of Bellevue Fire Department to conduct safety and rescue training within the construction zone. Rescue exercises are planned to take place Saturday, May 5 during daytime hours. You may see fire department vehicles parked within the work zone or nearby and firefighters rescuing dummies from inside the bridge pontoons.