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Construction : Web Exclusive | April 2017 | Source : CW-India

India's Longest Road Tunnel Linking Kashmir Valley With Jammu inaugurated

The country's longest road tunnel – the Chenani–Nashri Tunnel – has been recently inaugurated. The 9-km-long tunnel links Kashmir Valley with Jammu by an all-weather route and reduces the distance by 31 km. Built at Rs 2,500 crore, the tunnel, bypassing snow-bound upper reaches, will reduce the journey time by two hours and provide a safe, all-weather route to commuters travelling from Jammu and Udhampur to Ramban, Banihal and Srinagar.

Key features of the tunnel include that it is a single-tube bi-directional tunnel, with a 9.35-m carriageway, and a vertical clearance of 5 m. There is also a parallel escape tunnel, with ‘Cross Passages’ connecting to the main tunnel at intervals of 300 m. Built with new Austrian tunnel technology, the tunnel is known to be one of the safest tunnels in the country, and equipped with world-class security systems, and is expected to boost tourism and economic activities in the state of Jammu and Kashmir. A unique feature is that it has an Integrated Tunnel System, under which all the systems such as Entrance Detection Control System, Electrical Fire Signalling System and Video Surveillance System and Evacuation Broadcast System, are controlled through one particular software. Further, at every 150 m, it has an emergency SOS box and a safety evacuation passage connecting to a safety tunnel constructed parallel to the main tunnel. It also has specialised cameras that will count the number of vehicles in the tunnel and accordingly set the speed limit. The tunnel has hydrants at every 150 m, to tackle any kind of fire incidents.

The project, closely monitored by the Ministry Of Road, Transport and Highways, has been completed in five years.

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