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. National Highways in India : Check the complete List of National Highways in India & know all about the longest national highway in India & other important facts for governmnet exams. पेज अंतिम अपडेट: 04-11-2025 आगंतुकों की संख्या: 25409879 The Indian National Highway System is the backbone of the country’s road transportation network. It connects cities, towns, and rural areas, facilitating trade, travel, and economic growth.