The Mumbai Suburban Railway is a network of inner suburban railway lines and commuter rail services that connect the Mumbai Metropolitan Region to outlying suburbs.
The system spans 390 km and operates 2,342 trains daily, carrying thousands of commuters across one of the most densely populated places on the planet. As of December 2022, approximately 66 million commuters travelled on Mumbai's local trains.
The Mumbai Local trains ferry over 7.5 million commuters across its networks every DAY.