Passage: The original rectangular base of 6 by 10 miles (9.7 by 16.1 km) is now part of the so-called "Groom box", a rectangular area measuring 23 by 25 miles (37 by 40 km), of restricted airspace. the area is connected to the internal Nevada Test Site (NTS) road network, with paved roads leading south to Mercury and west to Yucca Flat. Leading northeast from the lake, the wide and well-maintained Groom Lake Road runs through a pass in the Jumbled Hills. the road formerly led to mines in the Groom basin, but has been improved since their closure. its course winding runs past a security checkpoint, but the area restricted around the far east. after leaving the restricted area, Groom Lake Road runs eastward to the east of the Groom Lake Valley, converging to the small dirt floor before the State Highway: "Extreme Question 375, where does the Groom Lake Road run southward to the Rachel Lake Valley, converging to the small dirt floor before heading to the State Highway: "Extreme
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