The broad-gauge line was extended from Rajgir to Tilaiya and opened in 2010. This line will transport coal from the Kodarma–Hazaribagh coal belt for Barh Super Thermal Power Station via Harnaut station.
The major facilities available are waiting rooms, retiring room, computerised reservation facility, a reservation counter, and vehicle parking.[1] The vehicles are not allowed to enter the station premises. There are both vegetarian and non-vegetarian food options, a tea stall, a book stall, a post and telegraphic office and Government Railway police (G.R.P.) office. Automatic ticket vending machines has been installed soon to reduce the wait for train tickets on the station.
There are four platforms in the Harnaut railway station. The platforms are interconnected with foot overbridge. It has two foot overbridges, the 2nd overbridge is under construction. 4th platform under construction.
Trains
Harnaut railway station is a major station of the East Central Railways. Several local passenger trains also run from Harnaut to neighbouring destinations on frequent intervals.
The following table lists all the trains passing from Harnaut station: (As of April 2010[update])
The Indian Railways had planned to set up a Railway Station Development Corporation (RSDC) that will work on improving the major railway stations as Harnaut railway station by building and developing restaurants, shopping areas and food plazas for commercial business and improving passenger amenities. Railway planned to make station as A grade category.
As railway budget a new railway track between Harnaut and Barh for coal transportation in Barh Super Thermal Power Station and electrification Bakhtiyarpur–Tilaiya line under construction.4th platform also under construction.
After determining the railway stations that need to be good-class station by constructing well. A phased revamping has begun.
Deputy chief traffic manager announced that the pending work at the railway tracks and platforms, presently under construction, will be sped up.[citation needed]
To assist passengers, especially the elderly, two foot overbridges may be constructed.