Yosemite National Park announces that the Mariposa Grove Road will reopen to automobiles on Friday, April 12, 2019. The free visitor shuttle to the Mariposa Grove of Giant Sequoias will also resume service for the busy summer season on Friday, April 12. When the shuttles are running, visitors should park at the South Entrance Parking area and ride the free shuttle 2-miles to the Lower Grove. https://www.nps.gov/yose/learn/news/yosemite-national-park-announces-the-mariposa-grove-road-and-the-free-visitor-shuttle-open-for-the-season-on-friday-april-12-2019.htm