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Seattle Area Construction

Last update: 4:45 p.m. Thursday, Sept. 22

High-impact closures:

I-90 Seattle to Mercer Island: Eastbound I-90 traffic will be reduced to one lane near Rainier Avenue South then routed to the express lanes from 11 p.m. Friday, Sept. 23, to 5 a.m. Saturday, Sept. 24. All eastbound I-90 mainline ramps from the Rainier Avenue South on-ramps to the Island Crest Way off-ramp will also be closed. A signed detour will be in place.

I-5 Tukwila to Federal Way: Southbound I-5 will be reduced to one lane from South 288th Street to South 320th Street from 11:59 p.m. to 4:30 a.m. overnight Friday, Sept. 23, and overnight Saturday, Sept. 24, and from I-405 to SR 516/Kent Des Moines Road from 10 p.m. Saturday, Sept. 24, to 10 a.m. Sunday, Sept. 25. Lanes will begin closing at 8 p.m. and all lanes will reopen by noon. This work is weather dependent.

SR 513/Montlake Bridge: Both directions of Montlake Boulevard East/SR 513 at the Montlake Bridge will be closed from 5 a.m. Saturday, Sept. 24, to 5 a.m. Monday, Sept. 26. Bicyclists and pedestrians will have access across the bridge. The westbound SR 520 off-ramp to Montlake Boulevard East/SR 513 will also be closed. A signed detour will be in place.

I-5 Express Lanes: The opening of the I-5 express lanes in the southbound direction will be delayed until 10:30 a.m. Saturday, Sept. 24, and until 11 a.m. Sunday, Sept. 25.

Scheduled closures:

King County Special Events

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