CLOSURE ALERT: New date for next Highway 99 tunnel closure

WSDOT has announced the new date for the next Highway 99 tunnel closure, 2 weeks after it was announced and then canceled. The new date is this Friday night and Saturday morning, February 21-22:

Both directions of the State Route 99 tunnel in Seattle will close from 10 p.m. Friday, Feb. 21, to 6 a.m. Saturday, Feb. 22, for maintenance.

Washington State Department of Transportation will start closing northbound and southbound lanes at 9 p.m., with the tunnel fully closed by 10 p.m. Drivers going south on SR 99 will need to take the Harrison Street off-ramp, and northbound SR 99 drivers will need to take the Alaskan Way off-ramp. Also, the Sixth Avenue and Royal Brougham Way on-ramps will close at 9 p.m.

The closure will let crews do several important tasks, including:

-Fire-suppression testing.
-Cleaning and marking drains.
-Fixing lights.

People traveling through downtown Seattle Friday night should use alternate routes.

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