Prime Minister Narendra Modi will Inaugurate India’s longest road tunnel, built on the Jammu - Srinagar National Highway, on April 2. This Chenani - Nashri tunnel on JK highway will cut short the distance between Jammu and Srinagar by nearly 30 km. The work on the 9.2 km long twin - tube tunnel, which is a part of a 286 km long four lane project on highway, started on May 23, 2011 in lower Himalayan Mountain Range.