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The expansion of 15-coach suburban train services on Mumbai�s Central Railway network has progressed slowly, with platform extension work completed at only five of the 34 identified stations. The project is aimed at enabling longer trains on the Chhatrapati Shivaji Maharaj Terminus�Kalyan, Kasara and Khopoli routes to increase passenger capacity and reduce overcrowding. Infrastructure upgrades such as platform lengthening, signalling adjustments and electrical modifications are required before these services can operate widely. Railway officials indicated that once the remaining work is completed, more 15-coach trains will be introduced to improve commuter capacity on the busy corridor.
The plan to expand 15-coach suburban train services on Mumbai's Central Railway network is progressing slowly, with platform extension work completed at only five of the 34 stations identified for upgrades. The project focuses on stations along the Chhatrapati Shivaji Maharaj Terminus (CSMT)-Kalyan corridor and further sections towards Kasara and Khopoli, where infrastructure improvements are required before longer trains can operate regularly.
The upgrade involves extending platforms so they can accommodate 15-coach trains instead of the currently common 12-coach rakes. Officials indicated that several stations still require civil works, adjustments to signalling systems and modifications to overhead electric lines before operations with longer trains can begin. Because of these requirements, the expansion of 15-coach services has moved forward at a slow pace.
Mumbai-s suburban railway network carries millions of passengers every day and overcrowding continues to be one of its biggest challenges. At present, most services on the Central Railway line operate with 12 coaches, while only a limited number run with 15 coaches. Increasing the length of trains is considered one of the quickest ways to raise passenger capacity without introducing entirely new rail lines.
A 15-coach suburban train can carry significantly more passengers than a 12-coach train. A standard 12-coach rake can accommodate around 3,500 passengers, while a 15-coach train can carry roughly 4,300 to 4,400 passengers. This increase of about 25 percent capacity per service is expected to help reduce peak-hour crowding, particularly on heavily used stretches such as Thane, Dombivli and Kalyan.
The plan to run longer suburban trains on the Central line has been under consideration for several years. The first 15-coach services were introduced on the CSMT-Kalyan fast corridor more than a decade ago. However, extending these services beyond the core stretch has required additional infrastructure work at multiple stations, which has slowed the overall expansion.
Some major stations on the Central Railway corridor already have platforms capable of handling 15-coach trains. These include CSMT, Byculla, Dadar, Kurla, Ghatkopar, Bhandup, Mulund, Thane, Dombivli and Kalyan. However, stations beyond these points, especially on the Kasara and Karjat lines, still require platform extensions and related railway upgrades.
Railway officials had earlier indicated that the work at the 34 stations would allow more 15-coach trains to operate across the network once completed. The project is part of a broader effort by Central Railway to improve capacity on the suburban system as passenger numbers continue to grow across the Mumbai Metropolitan Region.
Passenger groups and commuter associations have repeatedly raised concerns about overcrowding on the Central line, especially during morning and evening peak hours. Expanding the number of 15-coach trains is expected to provide immediate relief by increasing space in each train service, although the full benefit will only be seen once all required station upgrades are completed.
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