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ROADS

India has one of the largest road network in the world, aggregating to about 3.314 million kms. at present. The country's road network consists of Expressways, National Highways, State Highways, major District Roads, other District Roads and Village Roads.
Dec 13, 2010 10:42 IST
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India has one of the largest road network in the world, aggregating to about 3.314 million kms. at present. The country's road network consists of Expressways, National Highways, State Highways, major District Roads, other District Roads and Village Roads. Of these, the National highways and the State highways together account for 1,98,548 km. length. Though, the National highways, which is the responsibility of the central government, has 70,548 km. Length comprising only 2 percent of the total length of roads, carries about 40 per cent of the total traffic across the length and breadth of the country. The number of vehicles has been growing at an average pace of 10 percent per annum over the last five years (2001-2002 to 2005-06). During the tenth plan the completion of the National highways Development Programme (NHDP) Phase-I and Phase-II as well as removal of deficiencies in the existing National Highways Network are envisaged for faster movement and safer travel over long distances and also to give boost to the economy.

National Highways / Expressways ...............................................................66754 km
State Highways...........................................................................................128000 km
Major and others District Roads ................................................................470000 km
Rural Roads ............................................................................................2650000 km

The break-up of National Highway in terms of width

Single Lane .......................................................................................18350 km (27%)
Double / Intermediate Lane ..............................................................39079 km (59%)
Four Lane / six lane / eight lane .........................................................7325 km (14%)

NATIONAL HIGHWAYS
 The central Government is responsible for the National highways system. The total length of the National Highways network, as of today, is 70,548 km. In order to give a boost to the economic development of the country, the government has embarked upon a massive National Highways Development Project (NHDP) in the country. The NHDP is the largest highway project ever undertaken in the country. Under first two phases of this project about 14,279 km length of National Highways are purposed to be upgrated to 4 or 6 lane at a total estimated cost of Rs. 64,639 crore. NDPH Phase-I and Phase-II consist of the following components : (i) Golden Quadrilateral (GQ) comprising National highways connecting four metro cities viz., Delhi, Mumbai, Chennai and Kolkata Total length of GQ is 5846 km. (ii) North-South and East-West corridors comprising the National Highways connecting Srinagar to Kanya Kumari including Kochi Salem spur and Silchon to Porbandar. The total length of corridors is about 7300 km.

Highways Authority: The main task of the authority is to takeover, in a phased manner, the construction, maintenance and operation of the national highways. Before the constitution of the authority the maintenance of the roads was done by the State PWDs.

TWELVE OF THE PRINCIPALHIGHWAYS
Delhi-Amritsar Delhi-Calcutta Agra-Mumbai Jalandhar- Srinagar-Uri Delhi- Ahmedabad- Mumbai Chandigarh- Manali
Ambala-Shimla- Tibet Jorhat-Shillong- Bangladesh Manali-Leh Pathankot-Mandi Cochin-Madurai Beawar-Sirohi-
Kandla