; (2) prohibit motorized access on a cherry-stemmed road that is open to the public for motorized access as of the date of the enactment of this Act; or (3) prohibit mechanized access on a cherry-stemmed road that is open to the public for mechanized access as of the date of the enactment of this Act. (c) Resource protection or public safety exceptions Subsection (b) shall not apply to a cherry-stemmed road if the Secretary concerned determines that a closure or traffic restriction of the cherry-stemmed road is necessary for purposes of significant resource protection or public safety. XIV NATIONAL PARK SYSTEM ADDITIONS 1401. Death valley national park boundary revision (a) In general The boundary of Death Valley National Park is adjusted to include— (1) the approximately 28,923 acres of Bureau of Land Management land in Inyo County, California, abutting the southern end of the Death Valley National Park that lies between Death Valley National Park to the north and Ft. Irwin Military Reservation to the south and which runs approximately 34 miles from west to east, as depicted on the map entitled Death Valley National Park Proposed Boundary Addition-Bowling Alley , numbered 143/128,605, and dated May 14, 2015