黄石国家公园将于 4 月 19 日起开放部分道路，并于 4 月 20 日免收门票，以配合国家公园周。 Yellowstone National Park opens select roads from April 19, waives entrance fees on April 20 for National Park Week.
黄石国家公园计划于 4 月 19 日起（若天气允许）向公众开放部分道路，并在 4 月 20 日国家公园周期间免收门票。 Yellowstone National Park plans to open select roads to the public from April 19, weather permitting, with entrance fees waived on April 20 for National Park Week. 公园的西入口和猛犸温泉至老忠实喷泉的路线将会开放，其他道路也将在整个五月开放。 The park's West Entrance and Mammoth Hot Springs to Old Faithful routes will open, with additional roads set to open throughout May. 蒙大拿州加德纳的北入口至蒙大拿州库克城/银门的东北入口全年开放。 The North Entrance in Gardiner, Montana, to the Northeast Entrance in Cooke City/Silver Gate, Montana remains open year-round.