Improvement of 4-Lane Highway from 2-Lane, L= 50.58KM, 4- Lane National Highway Earth Work. Bituminous Pavement, Rigid Pavement. RCC. Bridge, 16 Nos. (12680.0 M). Rail over Pass- 2 Nos. (2417.07 M). Steel Foot- over Bridge (665.76M). No. Box Culvert = 36 Nos. (226.80M). Rigid Pavement 3.26M.