Chenani-Nashri tunnel is at an altitude of 1,200 meters and is a part of NHAI’s project between Srinagar and Jammu along the National Highway 44.

The tunnel has been built at the cost of Rs 3,720 and it took only 5 and a half years to build the 9.2-kilometre long road amidst the Himalayan terrain. It has been built by Infrastructure Leasing & Financial Services (IL&FS) Ltd.

The tunnel is will be reducing the time required to travel on National Highway 44 between Jammu and Srinagar by around 2 hours as it has shortened the distance by 30 km, and will also bypass areas like Kud, Patnitop and Batote, which are normally prone to landslides and heavy snow.

The ventilation system in the Chenani-Nashri tunnel, the longest highway tunnel in Asia, will ensure that passengers have access to fresh air as they drive through it. which uses a transverse ventilation system. It has been enabled by ABB drives and controlled by ABB software.

People will be able to use their phones while travelling inside the tunnel., network providers have reportedly set up facilities inside the tunnel to carry signals..

Also, lighting inside the tunnel has been adjusted at a gradient luminous capacity in order to prevent diminution of vision because of the sudden change in light that happens while inside and outside the tunnel.

The tunnel has two tubes running parallel. While the main traffic tunnel is 13 metres in diameter, a separate safety or escape tunnel of diameter 6 metres alongside. These two tubes, each around 9 km in length, are connected by 29 cross passages at regular intervals along the entire length of the tunnel.