NH-1 National Highway 1 (NH 1) in India runs between the union territories of Jammu & Kashmir and Ladakh. It comprises parts of old NH1A and NH1D. The number 1 indicates, under the new numbering system , that it is the northernmost East-West highway in India . The National Highways (NH) of India are the backbone of the country’s transportation system, connecting various states, cities and villages. These roads are not only important for economic activities but also play a vital role in facilitating social and cultural exchange. India has a total of 599 national highways. They form the backbone of the country’s transportation system, serving as vital arteries that facilitate the movement of goods, people, and services across vast distances.