Mumbai : Large scale cancellations, diversions and delays will hit commuters on Sunday (1 Febraury, 2026) as Mumbai Suburban Railway Network has advised travellers to plan their travel accordingly as Jumbo Megablock will affect the routes of Central and Western Railways.
Block on Central Line: UP and Down Fast lines between Thane and Kalyan will remain affected from 10.40 hrs to 3.40 hrs.
-Down Fast and Semi-Fast local trains leaving CSMT Mumbai between 09.34 hrs and 15.03 hrs will run on the Down Slow line between Thane and Kalyan, with additional halts at Kalva, Mumbra and Diva, and will reach destinations about 10 minutes late.
-Up Fast and Semi-Fast services departing Kalyan between 10.28 hrs and 15.40 hrs will operate on the Up Slow line, halting at Diva, Mumbra and Kalva, before returning to the Fast line at Mulund, also arriving around 10 minutes late.
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-Down Mail and Express trains from CSMT or Dadar will be diverted via the 5th line between Thane and Kalyan while the Up Mail/Express trains arriving at CSMT/Dadar will be diverted on 6th line between Kalyan and Thane/ Vikhroli stations.
Block on Harbour Line: There will be block on Kurla-Vashi Up and Down Harbour Lines From 11.10 am to 4.10 pm. All local trains operating on the Up and Down Harbour routes between CSMT and Vashi, Belapur and Panvel will remain suspended during the block period. To provide partial relief to passengers, special local trains will operate between CSMT and Kurla, as well as on the Vashi–Panvel section.
Block on Western Line : A traffic block has been planned on the Western Railway between Churchgate and Mumbai Central on the Up and Down Fast lines from 10.35 am to 3.35 pm. Owing to the block, fast local trains will be routed through the slow lines. Some services will also be short-terminated at Dadar and Bandra, from where they will return in the opposite direction. As a result, passengers may face train cancellations and delays on the Western line.
Western Railway will operate a Jumbo Block on Sunday, 1st February, 2026, on the UP and DOWN Fast lines between Churchgate and Mumbai Central for maintenance of track, signalling systems and overhead equipment. The block will be undertaken for a duration of five hours from 10:35… pic.twitter.com/hUY1leeXr1
— Western Railway (@WesternRly) January 30, 2026
Chief PRO of Western Railway, Vineet Abhishek stated that the block is necessary to carry out maintenance work on tracks, signalling systems and overhead equipment, which is crucial for maintaining safety standards and improving operational efficiency.
Commuter Advisory: During the block period travellers are encouraged to avoid non-essential journeys and if at all planning to travel then be updated through official railway announcements. Passengers heading for workplaces, examinations or medical appointments are advised to consider alternate routes or travel schedules to minimise inconvenience.
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