“Tales from the tracks. (Lifeline of Indian Railways)”
Kolkata local trains are a rail system serving the suburbs surrounding the city of Kolkata. It is the largest suburban railway network in India by track length and number of stations. Now Kolkata Sub-Urban Railway has 348 stations and a track length of 1,172 km. It runs from 4am to 2am daily. There is a separate Circular Railway corridor in the city also operated by Eastern Railway(ER) under Sealdah Division. Daily thousands of passengers, vendors travel through Kolkata Local trains, ie: it is called the lifeline of Kolkata suburban railways.