India, Feb. 15 -- The Union Cabinet has approved a Rs 18,662-crore project to construct a four-lane access-controlled greenfield corridor between Gohpur and Numaligarh, featuring India's first road-cum-rail tunnel under the Brahmaputra River in Assam.

Currently, the connectivity between Numaligarh on NH715 and Gohpur on NH-15 is 240 km - from the existing Kaliabhambhora road bridge near Silghat on NH-52, which takes 6 Hours passing through Numaligarh, Kaziranga National Park, and Biswanath Town, the Ministry of Road Transport & Highways (MoRTH) said in a statement on Saturday.

The Cabinet Committee on Economic Affairs has approved the construction of a four-lane, access-controlled greenfield road connecting Gohpur on NH-15 to Numaligarh...