IRC CLASSIFICATION OF ROAD IRC classifies the network of roads in india into following categories 1) National highways ( NH ) 2) State Highway ( SH ) 3) Major District Roads ( MDR ) 4) Others District Roads ( ODR ) 5) Village Roads ( VR ) 1) National highways National highways were defined as the important roads running through the length and breadth of India connecting ports capital cities, foreign Highway, industrial centre and strategic point . National highways should have 2 lanes of traffic and should be 7.50 m wide . It should be necessary a bituminous or concrete road giving an uninterrupted road communication throughou...
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