2015 Spring Road Opening DatesWeather permitting, roads open at 8 am. Changes and delays are always possible.April 17: Mammoth to Old Faithful;Madison to West Entrance;Norris to Canyon.May 1: Canyon Junction to Lake;Lake to East Entrance (Sylvan Pass).May 8: Lake to South Entrance;Tower Junction to Tower Fall.May 22: Tower Fall to Canyon Junction (Dunraven Pass); Beartooth Highway.June 11: Old Faithful to West Thumb (Craig Pass).
2015 Spring Road Opening DatesWeather permitting, roads open at 8 am. Changes and delays are always possible.April 17: Mammoth to Old Faithful;Madison to West Entrance;Norris to Canyon.May 1: Canyon Junction to Lake;Lake to East Entrance (Sylvan Pass).May 8: Lake to South Entrance;Tower Junction to Tower Fall.May 22: Tower Fall to Canyon Junction (Dunraven Pass); Beartooth Highway.June 11: Old Faithful to West Thumb (Craig Pass).
我的理解是道路是逐次开放,最终全面开放,而不是说分时段开放,比如你5.8到黄石的话,应该之前4.17和5.1开放的道路继续保持开放,然后5.8当天开放的路也应该开放。不过它讲了,可能会有变化和临时情况导致的延误。