It lies in between Buxar and Patna on Patna-Mughalsarai section of Howrah-Patna-Delhi main line which serves it with numerous trains.

Arrah is well connected to Patna, New Delhi, Mumbai, Kolkata, Bangalore, Kanpur, Pune, Ahmedabad, Chennai, Lucknow, Agra, Prayagraj, Varansi, Bhopal, Jaipur, Surat, Kota, Amritsar, Chandigarh, Secunderabad, Guwahati, Ranchi, Jammu and Kashmir, Ajmer, Goa, Ernakulam, Anand Vihar Terminal, Jhansi, Jodhpur, Haridwar, Mysuru, Dibrugarh and other cities of India.

The major facilities available are waiting rooms, retiring room, computerized reservation facility, reservation counter, vehicle parking, etc.

There are refreshment rooms vegetarian and non vegetarian, tea stall, book stall, post and telegraphic office and Government Railway police (G.R.P) office.

You can find good Litti Chokha shops just outside the railway station.