Below is a list of opening dates for the various roads within the Park.
2016 Yellowstone Road Opening Dates:
April 15: Mammoth to Old Faithful; Madison to West Entrance; Norris to Canyon.
May 6: Canyon Junction to Lake; Lake to East Entrance (Sylvan Pass).
May 13: Lake to West Thumb, West Thumb to Old Faithful (Craig Pass), and South Entrance to West Thumb; Tower Junction to Tower Fall.
May 27: Tower Fall to Canyon Junction (Dunraven Pass); Beartooth Highway