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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 National Highways, the majority 2 lane (one in each direction), constitute a total of about , out of which to be converted into "Swarna Chathuspatha" or Golden Quadrilateral, a project commenced by the NDA Government led by Mr.Atal Bihari Vajpayee.(Source, The Hindu, Dt. June 7, 2008 : K. H. Muniyappa, Union Minister of State for Surface Transport) of which are median-separated express highways. In some more developed areas it may broaden to 4 lanes. Closer to big cities, highways can even be of 8 lanes. Highways in India are around 2% of the total road network in India, but carries nearly 40% of the total road traffic. The National Highways (Amendment) Bill, 1995, provides for private investment in the building and maintenance of these arteries of India. The longest National Highway is the NH 7 which is from Varanasi to Kanyakumari passing through Uttar Pradesh, Madhya Pradesh, Maharastra, Telangana, Andhra Pradesh, Karnataka and Tamil Nadu covering a distance of , as of Sep 2011 as per National Highways Authority of India (). The shortest National Highway is the NH 47A (), which connects Kundanoor Junction of maradu in Kochi city to the Kochi port at Willingdon Island. India has the distinction of having the world’s highest drivable highway connecting Manali to Leh in Ladakh, Kashmir. ==Rationalization of Highway numbers== File:India roadway map.svg|The Network of National Highways in India File:Renumbered National Highways map of India (Schematic).jpg|Schematic map of Renumbered National Highways in India On 28 April 2010, the Ministry of Road Transport and Highways officially notified the rationalized number system of the national highway network in the Gazette of the Government of India. It is a systematic numbering scheme based on the orientation and the geographic location of the highway. This was adopted to ensure more flexibility and consistency in the numbering of existing and new national highways. According to the system all north-south oriented highway will have even numbers increasing from the east to the west. Similarly all east-west oriented highways will be odd numbered increasing from the north to the south of the country."The Ministry has therefore requested to renumber the National Highway numbers in place of the existing number of National Highway for its proper location. Accordingly, a revised (Renumbered) map of National Highways in India is shown in this article. As per the new scheme, the single longest national highway will be NH 44 which will run from Srinagar to Kaniyakumari. The new numbering system has caused too much confusion and the ministry has decided to stick to the old numbers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of National Highways in India (Old numbering)」の詳細全文を読む スポンサード リンク
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