The list of National Highways in India gives a region wide listing of the Indian Highways, a class of roads maintained by the National Highways Authority of India. These are the main long-distance roadways in India and one of the highly used means of transport in India. They play a significant role in the Indian economy.The longest NH is the NH7 which is from Varanasi in Uttar Pradesh to Kanyakumari at the southern most point of the Indian mainland, in Tamil Nadu covering a distance of 2369 km, and passing through the metros like Jabalpur, Nagpur, Hyderabad and Bangalore. The shortest NH is the NH47A(4.168 km), which is a stretch to the Ernakulam - Kochi Port.