The East Indian Railway Company initiated efforts to develop a railway line from Howrah to Delhi in the mid nineteenth century. Even when the line to Mughalsarai was being constructed and only the lines near Howrah were put in operation, the first train ran from Allahabad to Kanpur in 1859. For the first through train from Howrah to Delhi in 1864, coaches were ferried on boats across the Yamuna at Allahabad. With the completion of the Old Naini Bridge across the Yamuna through trains started running in 1865-66.
The opening of the Curzon Bridge, across the Ganges, in 1902, linked Allahabad to regions north of
beyond the Ganges.
The Varanasi-Allahabad City (Rambagh) line was constructed as a metre gauge line by the Bengal and North Western Railway between 1899 and 1913. It was converted to broad gauge in 1993-94.
Two of the forty-four fastest-running trains in India originate from and terminate in Allahabad Junction., "Allahabad New Delhi Duronto Express", "Allahabad Duronto Express"
Some of the major trains originating from the station.
The Cheoki-Subedarganj section was electrified in 1965-66.
There are engineering workshops of Indian Railways at Allahabad.
Allahabad is amongst the top hundred booking stations of Indian Railway. The station has two entry sides i.e. City Side to the south and Civil Lines Side to the north.
The railways make special arrangements for the huge influx of pilgrims for the Kumbh Mela at Allahabad.
Allahabad Junction is an 'A' grade railway station. Allahabad railway station has 3 double-bedded AC Railway station Retiring Rooms, 9 double-bedded non-AC retiring rooms and a 20-bedded dormitory and is Wi-Fi enabled.