Modi government working on new policy to increase lifespan of national highways by 20-25 years
A new policy is in works to extend the lifespan of national highways. 'White-topping', involving a concrete overlay on bituminous pavement, could prolong the life of roads by up to 25 years while reducing fuel consumption and carbon emissions.
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A new policy is in works to extend the lifespan of national highways. 'White-topping', involving a concrete overlay on bituminous pavement, could prolong the life of roads by up to 25 years while reducing fuel consumption and carbon emissions. 
