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SR 20 Both Directions - SR 20, the NORTH CASCADES HIGHWAY IS CLOSED FOR THE SEASON FROM MILEPOST 171 at the Silver Star (Creek) Gate, 13 miles west of Mazama TO MILEPOST 134 AT DIABLO GATE 14 miles east of Newhalem. Clearing work began March 16 and should be complete by mid April. Last Updated: 3/30/2015 2:56 PM More Info
From milepost 171 to milepost 134
SR 20 Both Directions - Monday, March 30 to Thursday, April 2 - A single lane of SR 20 from Deception Pass to Quiet Cove Road will be closed from 8 a.m. to 2 p.m. daily for bridge maintenance and cleaning. Traffic will be flagged through the open lane. Last Updated: 3/24/2015 1:50 PM More Info
From milepost 41 to milepost 43