Himalayan Expressway

The Himalayan Expressway is a 27.5 km stretch of highway in India that runs through the Shivaliks at the trijunction of Haryana, Punjab, and Himachal Pradesh. It connects Zirakpur in Punjab to Parwanoo in Himachal Pradesh. The stretch runs through 2 km in Zirakpur, Punjab, 21 km in Panchkula, Haryana, and 4.5 km in Parwanoo, Himachal Pradesh. It was constructed by Jaypee Group.
Benefits.
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.