Trains will run in this tunnel with a speed of 150, internet, artificial rain will also be arranged

Lastly updated: June 05, 2025, 16:13 IST opened the last phase of 701 km Long Samriddhi Expressway from Nagpur to Mumbai, which includes 7.8 km long ‘Kasara Ghat Tunnel’. This is India’s first smart tunnel. The last phase of the Samriddhi highway linked from Nagpur to Mumbai was also opened to the public, thereby smoothing and strengthening the entire 701 km. This part extends from Igatpuri (Nashik) to AMANE (Thane) and is started from June 5. In this last 76 km long, the country’s longest road tunnel ‘Kasara Ghat Tunnel’ was built, which is 7.8 km long. It is also the first smart tunnel in India, prepared by the hills. The largest feature of this tunnel is the automatic fire safety system, which as soon as the temperature of the tunnel crosses 60 degrees Celsius, the high -pressure watercriminion system itself becomes active and extinguishes the fire from the water shower. Many modern techniques were used for the safety and ease of passengers in the tunnel, such as emergency phones, speakers every 30 meters, and a total of 26 fire alarm systems were installed every 150 meters. This tunnel was prepared for two flasects, one of which is 9.10 meters and the other 12.95 meters. Its construction used 23,000 tonnes of cement and 400 tons of steel. It will only take 7 minutes to cross the tunnel, which will reduce the time of travel and provide relief in traffic. Liki cable was also laid in the tunnel for the facility of oxygen supply, mobile network and internet. The Samriddhi Expressway is designed for a maximum speed of 150 km/h, which makes the first velocity of Indian velocity. This allows the distance from Nagpur to Mumbai to be completed within 7 hours, which was taken up to 16 hours earlier. The entire project cost about Rs 55,000 crore, including 33 large bridges, 274 small bridges, 65 transitions and 6 tunnels. The highway goes through 10 districts and 390 towns, which will also promote local development. Homebusiness 150 Speed, internet won’t go, rain arrangement, see incredible tunnel