Overview

• Up and Down fast lines on the Main Line between Thane and Kalyan will be shut from 10:40 am to 3:40 pm, with fast locals diverted to the slow corridor.
• Down fast and semi-fast trains leaving CSMT from 9:34 am to 3:03 pm will run on the slow line via Kalva, Mumbra and Diva and arrive about 10 minutes late.
• Up fast and semi-fast trains leaving Kalyan from 10:28 am to 3:40 pm will use the Up slow line to Thane with halts at Diva, Mumbra and Kalva before rejoining the fast line at Mulund.
• Harbour Line services between Panvel and Vashi will be suspended from 11:05 am to 4:05 pm, with Panvel–CSMT and CSMT–Belapur/Panvel services in specified windows cancelled.
• Trans‑Harbour trains between Panvel and Thane will not run from 10:01 am to 3:53 pm, while Thane–Vashi/Nerul and Port line services continue and special CSMT–Vashi locals operate; long‑distance trains will use the fifth and sixth lines between Thane and Kalyan/Vikhroli.