Haridwar ISBT is located besides Haridwar Railway Station. There is enough parking facility at Haridwar ISBT. Apart from Government buses, there are private bus operators too which operate from Haridwar. 
The bus services from Haridwar start as early as 4:00 AM in the morning and the last bus that departs from Haridwar ISBT is midnight. 
Tourists interested in going to Delhi from Haridwar, may catch the bus till Roorkee, from where the bus service to Delhi  is more frequent as compared to Haridwar.
Haridwar ISBT also holds significance because the tourists who wish to travel to Uttarakhand Hills, for them Haridwar Railway Station is the last train connected station. After Haridwar, the tourists need to catch the bus or cab for the onward journey.
The tourists who have some time to spend at Haridwar ISBT, while waiting for their bus for onward journey, may go to either Har Ki Pauri which is a popular Ganga Ghat for holy dip in river Ganga, or go to Mansa Devi or Chandi Devi, which are popular religious spots for Mata devotees.