The Chenani Nashri Tunnel, also known as Patnitop Tunnel, on NH 44 in Jammu & Kashmir has been renamed as Dr Syama Prasad Mookerjee Tunnel.
Dr Syama Prasad Mookerjee Tunnel:
- It is India’s longest road tunnel with a length of 9.28 km
- It reduces the distance between Jammu and Kashmir by 31 km.
- The tunnel, bypassing snow-bound upper reaches, reduces 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. It would also enable an increase in trade and tourism in the state.
- The key features of the tunnel are — it is a single-tube bi-directional tunnel, with a 9.35-metre carriageway, and a vertical clearance of 5 metres.
- There is also a parallel escape tunnel, with ‘Cross Passages’ connecting to the main tunnel at intervals of 300 metres.
- It also has smart features such as an integrated traffic control system; surveillance, ventilation and broadcast systems; fire fighting system; and SOS call-boxes at every 150 metres.