The Central line of the Mumbai Suburban Railway is a public transit system serving Mumbai, Maharashtra, India. It consists of 24 stations from Chhatrapati Shivaji Maharaj Terminus (formerly Victoria Terminus) to Kalyan Junction. The entire line is at grade. It has section of quadruple track starting from Chhatrapati Shivaji Maharaj Terminus and ends at Kasara, Roha, Uran and Khopoli in Maharashtra.
The Central line in Mumbai consists of three major corridors, which bifurcate as they run into suburban satellite towns. Two corridors (one local and other through) on Central Railway run from CSMT to Kalyan Junction (55 km),[3] from where it bifurcates into two lines – one running up to Kasara (67 km) in the north-east and the other running up to Khopoli (61 km) in the south-east. These two corridors constitute the 'Main' Line. The Central main line shares one station with the Western line at Dadar. They consist of a fleet of Siemens as well as Bombardier EMUs.
The major car sheds on this line are at Kurla and Kalva. There are fast and slow locals here for suburban service. Slow locals halt at every station, while fast locals halts vary between Byculla, Dadar, Kurla, Ghatkopar, Vikhroli, Bhandup, Mulund, Thane, Diva, Dombivli and Kalyan Junction. All services plying beyond this junction run slow. Trains usually start from and terminate at important stations.