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In Nagpur road classification, all roads were classified into five categories
as National highways, State highways, Major district roads, Other district
roads and village roads.
- They are main highways running through the length and breadth of India
connecting major ports , foreign highways, capitals of large states and large
industrial and tourist centers including roads required for strategic
movements.
- It was recommended by Jayakar committee that the National highways should
be the frame on which the entire road communication should be based.
- All the national highways are assigned the respective numbers.
- For e.g. the highway connecting Delhi-Ambala-Amritsar is denoted as NH-1
(Delhi-Amritsar), where as a bifurcation of this highway beyond Fullundar to
Srinagar and Uri is denoted as NH-1_A.
- They are constructed and maintained by CPWD.
- The total length of National highway in the country is 58,112 Kms, and
constitute about 2% of total road networks of India and carry 40% of total
traffic.
- They are the arterial roads of a state, connecting up with the national
highways of adjacent states, district head quarters and important cities within
the state
- They also serve as main arteries to and from district roads.
- Total length of all SH in the country is 1,37,119 Kms.
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