The 22157 / 22158 Mumbai CSMT â Chennai Egmore Superfast Mail is a train belonging to Indian Railways â Central Railway zone that runs between Mumbai Chhatrapati Shivaji Maharaj Terminus & in India. It was earlier known as BombayâÂÂMadras Mail.
It operates as train number 22157 from Mumbai Chhatrapati Shivaji Maharaj Terminus to Chennai Egmore and as train number 22158 in the reverse direction, serving the states of Maharashtra, Karnataka, Telangana, Andhra Pradesh & Tamil Nadu.
The Mumbai-Chennai Mail service started on March 15, 1871 as Bombay-Madras Mail. Until 1997, this train used to cover in 30 hours 00 mins via Renigunta -Guntakal line at an average speed of . After Guntakal - Bangalore Line was converted to Broad Gauge in 1997, the train was diverted to run via Bangalore, having a reversal there & covering in 30 hours, running at an average speed of . In 2002, the route was reverted back to the Renigunta -Guntakal line. Journey took 28 hours 30 mins at an average speed of . Finally in 2019, Mumbai-Chennai Mail was upgraded to Superfast express, drastically reducing journey time to 23 hrs 30 mins at average speed of . As part of Indian Railwaysâ ongoing rolling stock modernization programme, the train was equipped with LHB coaches for the first time on 14 January 2025, replacing the long used ICF coaches. This marked a major milestone in the trainâÂÂs history, bringing enhanced safety, improved ride quality, and compatibility with higher operational speeds, while continuing its legacy as a historic Mail service.
The train consists of:
The 22157 Mumbai CSMTâÂÂChennai Egmore Mail covers the distance of in 23 hours 23 mins (55 km/h) and in 23 hours 15 mins as 22158 Chennai EgmoreâÂÂMumbai CSMT Mail (55 km/h).
The 22157 / 22158 Mumbai CSMTâÂÂChennai Egmore Mail runs from Chhatrapati Shivaji Maharaj Terminus (CSMT) via , , , , , , , , , , Yerraguntla Junction, , , , to .
As the entire Chennai-Mumbai line is electrified, this train is hauled end to end by a Royapuram-based WAP-7.
It runs on a daily basis.
It shares its rakes with 22153/22154 Chennai Egmore-Salem Superfast Express.