The Interstate Highway standards for the U.S. Interstate Highway System uses a 12-foot (3.7 m) standard for lane width, while narrower lanes are used on lower classification roads. In Europe, as laws and road width vary by country, the minimum widths of lanes is generally between 2.5 to 3.25 metres (8.2 to 10.7 ft).
Weather | Natural Extremes | Air Quality | Environmental Watch | Zip Codes | Government. Las Vegas is located in south Nevada. Las Vegas is part of Clark County. Las Vegas has 135.81 square miles of land area and 0.05 square miles of water area.
Henderson, Nevada. Henderson, officially the City of Henderson, is a city in Clark County, Nevada, United States, about 16 miles southeast of Las Vegas. It is the second-largest city in Nevada, after Las Vegas, with an estimated population of 285,667 in 2015. The city is part of the Las Vegas metropolitan area, which spans the entire Las Vegas Valley. Henderson occupies the southeastern end of the valley, at an elevation of approximately 1,330 feet (410 m).