Watch snow removal and avalanche control before the North Cascades Highway reopened (VIDEO)

SEATTLE -- The Washington State Department of Transportation reopened the North Cascades Highway -- State Route 20 -- on Tuesday, and the agency on Wednesday posted a video of the efforts taken to clear the heavy snow off the scenic road and to conduct avalanche control.

SR 20 is the northernmost route across the Cascade Mountain Range in Washington.

There is no sound on this WSDOT video.