The 2 feet 6 inches narrow gauge that takes the trains through the mountainous stations from Kalka to Shimla has a lot of admirers all over India. Thus Kalka- Shimla Railway secures its place intact among travelers of Himachal Pradesh. The relishing views of the hills and valleys of Himachal Pradesh seem to be more charming while you make a journey in one of the trains along this railway track. It was built in 1898 to connect Shimla with other parts and it is recorded that during the construction of this system, there were 107 tunnels and 864 bridges through the course of the track as well. Though the system is years old, it emerges out to surprise the visitors of Himachal still.