English: It is Four laning Expressway, involving 11 tunnels between Maliana (Shimla) and Kothi to help reduce the distance by 19 km. The two longest tunnels will be of 2.27 km each between Taradevi and Shogi and Kandaghat and Solan. The state government wants that the highway be realigned and include more tunnels to reduce the distance by another 20 km. The emphasis will be on reducing the travel time.