India has a vast network of road network of 5.23 million kms. and categorically it is the world’s second largest network . The national Highway comprises 2% of the total road network but carry 40% of the total traffic . One more interesting fact is that the 65% of the freight and 80% of the passenger traffic is carried by the roads . This clearly indicates the importance of road infrastructure in the overall development of the economy as well as the country . That is why the government has taken the development of infrastructure in the roads in its high priority agenda . The National Highway Development Program is among the largest road development program of the world.