Highway
Major highways are often named and numbered by the governments that typically develop and maintain them. Australia's Highway 1 is the longest national highway in the world at over and runs almost the entire way around the continent. China has the world's largest network of highways followed closely by the United States of America. Some highways, like the Pan-American Highway or the European routes, span multiple countries. Some major highway routes include ferry services, such as U.S. Route 10, which crosses Lake Michigan.
Pushpalal (Mid Hill) Highway
Pushpalal (Mid-Hill) Highway (NH-18) () is an ongoing road project in Nepal, which is thought to be long.After completion,it will be the longest national highway of Nepal. Nepal has three geographical regions from east to west, plain land or Terai in south, higher mountains or Himalayas in north and hills in middle region. The highway runs through the mid-hills region only. It starts from easternmost hill at Chiyabhanjyang of Panchthar District (Province No. 1) and ends at westernmost hill at Jhulaghat of Baitadi District in far west (Province No. 7).