Govt approves proposal: 14 km long underwater road tunnel in India

The Central government has given in-principle approval for the construction of a under water tunnel in the Brahmaputra river in Assam.

According to a report published in the Hindi daily, the tunnel will be strategic importance as it will provide round the year connectivity between the North-Eastern states of Assam and Arunchal Pradesh.

The under water road tunnel will be constructed with latest state of the art technique which will help the vehicles to operate at a speed of 80kmph.

The tunnel will connect Gohpur(NH-54) with Numaligarh(NH-37) in Assam.

News has quoted a senior official according to whom the copnstruction of the tunnel is expected to start in December this year. The tunnel will be constructed in three phases and its total length will be 14.85 km.

The passage will have four path and even the overwhelming military vehicles and others administrations can be moved effectively through this passage which will spare alotof time for coming to Arunachal



Pradesh which share global outskirt with China. 

The report likewise said that the passage will be longer than the submerged passage being worked by China underneath the Taihu Lake in Jiangsu territory. 

The National Highways and Infrastructure Development Corporation Limited (NHAIDCL) has roped in US firm Louis Berger which likewise arranged the Detailed Project Report(DPR) for the equivalent.

The under water tunnel built by China below the Taihu Lake is 10.79km long.

The tunnel which will be constructed under river Brahmaputra will have two different capsules(Tube) for seamless movement of traffic from both the sides.

Special attention will taken to see that no water leakage happens in the tunnel and it will also have a ventilation system for the flow of fresh air in the tunnel .

Among the other security features that the tunnel will have includes emergency exit, drainage system and also equipped with crash barrier system.