Seattle's SR-99 tunnel shut down for maintenance into weekend

SEATTLE - Drivers in Seattle will have to work around a new State Route 99 tunnel closure heading into the weekend as crews continue maintenance work. This comes as SR-520 shuts down for construction through the entire weekend.

The tunnel will be shut down in both directions between South Hanford Street and south of the Aurora Bridge for the following hours.

• Closure in effect from 10 p.m. Friday, Dec. 5 until 6 a.m. on Saturday, Dec. 6.

Additionally, WSDOT reports the on-ramps at South Royal Brougham Way and Sixth Avenue will also close from 9 p.m. on Friday until 6 a.m. Saturday. Detours will go to Interstate 5. 

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