NORTH CASCADES, Wash. — The seasonal closure of State Route 20, the North Cascades Highway, is scheduled for Thursday, Dec. 4.

Crews plan to close the gates at the Ross Dam trailhead (milepost 134) and the Silver Star gate (milepost 171) at 6 p.m.

Drivers are advised to plan ahead.

The highway is expected to reopen in the spring.

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