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January 11, 2019
SEATTLE — It's finally here — the Alaskan Way Viaduct closes for good tonight.
Both directions of the highway between Spokane Street and Western Avenue will close at 10 p.m. so that crews can shift SR 99 into the new waterfront tunnel. That work is expected to take three weeks.
The Battery Street Tunnel will remain open with one lane in each direction until it closes permanently on Feb. 1. The Western Avenue ramps will also remain open until then.
After the waterfront tunnel opens in early February, it will take up to two more weeks to complete a new northbound off-ramp into downtown.
The tunnel will be free to use until this summer, maybe even longer.
WSDOT says it could take weeks or months for traffic patterns to adjust as drivers try different routes after the tunnel opens.