I-90 Work This Weekend Will Disrupt Traffic

MERCER ISLAND, WA - Westbound lanes of I-90 will be affected by lane reductions all weekend as Washington State Department of Transportation and Sound Transit crews make upgrades inside the Mt. Baker and Mercer Island tunnels.

The lane reductions begin at 11 p.m. Friday and will last until 5 a.m. Monday. Going westbound, I-90 will be reduced to one lane at Bellevue Way, with all traffic shifted onto the express lanes. The express lane detour will last until the Rainier Avenue South exit in Seattle.

Other traffic impacts, according to Sound Transit:

• Drivers heading to Mercer Island must exit westbound I-90 at East Mercer Way. There are no westbound exits to Mercer Island from the express lanes.
• Those wishing to travel from Mercer Island to Seattle should enter the express lanes at 77th Avenue Southeast or Island Crest Way.
• The westbound I-90 exit to Rainier Avenue South will be closed. Drivers will need to use the Fourth Avenue South exit and follow a signed detour via eastbound I-90.
• Flammable materials will be prohibited on westbound I-90. Drivers hauling flammable cargo must use alternate routes such as I-405 or state routes 520 or 522.
• The I-90 Trail will remain open.

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