Overview
- The tilt occurred around 9 am near Wadala–GTB Nagar during advanced system trials for new CBTC signalling and newly delivered rakes.
- No passengers were on board; two crew members were rescued, with officials reporting no injuries as a workers’ leader said the motorman was hurt.
- MMMOCL said the exercise was conducted in a protected environment to validate worst‑case scenarios before reopening the line.
- Union representatives and some reports pointed to a possible track‑switch glitch during a guideway change, and images showed damage to the coach undercarriage and alignment.
- Passenger service has been halted since September 20 for fleet and signalling upgrades, and an inquiry and damage assessment are underway before service resumes.