Special conditions and challenges of transportation through mountains
The essential focal point of this study is to distinguish the difficulties and challenges that we confront and to locate some attainable arrangements while building and maintenance of roads in hilly zones. The roads go through the swathes, that are for the most part ice inclined, situated at high heights and we encounter below zero temperature there. Aside from its hilly nature, the climatic conditions are exceptionally cruel for most piece of the year, in which the precipitation is all the more, generally as snow that covers the entire of the land including roads. The valley has a couple of ways out as national expressways that go through precipitous extents at high heights, where the snowfall is substantial amid winter months. The state being overwhelmed by undulating geography, road is the prime methods for transport. The cutting of roads and their support through the nonstop rugged extents has turned into a test for the designers and constructors.