1355 projects amounting to Rs. 387584.30 Crore having length 44477 km are ongoing for development of NHs which includes widening of National Highways, construction of new underpasses and over bridges, etc. in order to solve the problem of traffic jams in the country. About 559 nos of projects of NHs development including bridges are expected to be completed by the year 2018-19. Development and maintenance of National Highways (NHs) is a continuous process and they are kept in traffic worthy condition depending upon the availability of funds and inter se priority.