Although the road cuts short the distance between Zirakpur and Parwanoo by only 3 km, but it helps save fuel and cuts time of travel between Delhi and Shimla by 1 hour to 7 hours, by helping commuters bypass the congested towns of Pinjore and Kalka.
In August 2023, several sections of the expressway were damaged by landslides and floods during the 2023 North India floods. Geologists argued that the cutting of the mountains for highway construction had destabilized the slopes.[2]
Salient Features
The stretch has 32 structures including a rail overbridge, two flyovers and 11 bridges.