
Four Laning of National Highways
The total length of National Highways (NHs) across various States and Union Territories (UTs) is about 1,32,500 km at present. The Lane-wise distribution of NHs as on 31.03.2019 is as under:
Sr. No.
Lane configuration of NHs
Approx. Length (km)
1.
Less than 2-Lane NH standards
36,310
2.
2-Lane NH standards
65,123
3.
4-Lane or more NH standards
31,067
Development and maintenance of NHs is a continuous process. The works on NHs are accordingly taken up from time to time as per inter-se priority, traffic density and availability of funds to keep the NHs in traffic worthy conditions.
The Ministry of Road Transport and Highways took up development of NHs/ roads under various phases of National Highways Development Project (NHDP), Special Accelerated...