Be prepared for potential delays and cancellations if you plan to travel on the Mumbai local this Sunday. The railway has announced a mega block on June 29 across the Central, Harbour, and Trans-Harbour lines for essential track maintenance, overhead wire repairs, and other upgrades to ensure smoother weekday travel.
Here’s a quick breakdown of what to expect:
Central Line (Thane–Kalyan)
Time: 10:40 AM to 3:40 PM
Impact: Up and down fast line operations will be diverted via the slow line between Thane and Kalyan.
Down (CSMT to Kalyan): Locals from 9:34 AM to 3:03 PM will halt at Kalva, Mumbra, and Diva and reach their destinations about 10 minutes late.
Up (Kalyan to CSMT): Services from 10:28 AM to 3:40 PM will take the slow line till Mulund, halting at Diva, Mumbra, and Kalva, and will also be delayed by around 10 minutes.
Harbour Line (Vashi–Panvel)
Time: 11:05 AM to 4:05 PM
Impact: Trains will run behind schedule; several services will be cancelled.
Cancelled Up Trains: Panvel to CSMT between 10:33 AM and 3:49 PM.
Cancelled Down Trains: CSMT to Panvel/Belapur from 9:45 AM to 3:12 PM.
Special locals will run between CSMT and Vashi to accommodate passengers.

Trans-Harbour Line (Thane–Vashi/Panvel)
Time: 11:05 AM to 4:05 PM
Cancelled: Panvel to Thane (Up): 11:02 AM to 3:53 PM
Thane to Panvel (Down): 10:01 AM to 3:20 PM
No Mega Block
Western Line and Uran suburban services will run as per usual on Sunday.