Area 51 the base extends further east. After leaving the restricted area, Groom Lake Road descends eastward to the floor of the Tikaboo Valley, passing the dirt-road entrances to several small ranches, before converging with State Route 375, the "Extraterrestrial Highway", south of Rachel. Area 51 shares a border with the Yucca Flat region of the Nevada Test Site, the location of 739 of the 928 nuclear tests conducted by the United States Department of Energy at NTS. The Yucca Mountain nuclear waste repository is southwest of Groom Lake. Groom Lake is a salt flat in Nevada used for runways of the
Virginia State Route 51 Virginia State Route 51 State Route 51 (SR 51) is a primary state highway in the U.S. state of Virginia. Known as Westover Drive, the state highway runs between a pair of intersections with U.S. Route 58 Business (US 58 Business) in Pittsylvania County west of Danville and within Danville. SR 51 is the original alignment of US 58 through the western part of Danville. SR 51 begins at a directional intersection on a tangent with US 58 Business (Martinsville Highway) in Pittsylvania County just west of the city of Danville. The state highway heads east into the independent city