Map of the Madras and South Mahratta Railway lines
The Madras and Southern Mahratta Railway was a railway company that operated in southern India. It was founded on 1 January 1908 by merging the Madras Railway and the Southern Mahratta Railway.
Railway Station at Beypore, which, for a short period, was the western terminus of Madras Railway
Initially, its headquarters was at Royapuram in Madras but later shifted to a newly constructed building at Egmore, which was inaugurated on 11 December 1922. On 1 April 1944, its management was taken over directly by the Government of India. On 14 April 1951, the Madras and South Mahratta Railway, the South Indian Railway and the Mysore State Railway were merged to form the Southern Railway, one of the 16 zones of the Indian Railways.