Chennai Metro Phase 2 Corridor 4: Revised Train Service Timings from October 23

Chennai Metro Rail Limited (CMRL) has announced revised train service timings for Phase 2 Corridor 4 (Yellow Line), connecting Poonamallee Bypass Metro Station and Vadapalani Metro Station.

CMRL commenced regular passenger services on Corridor 4 on October 11, 2026, covering 11 elevated metro stations across approximately 15 km. Following feedback from commuters, the metro operator has decided to advance the morning service commencement time to 6:00 AM from Friday, October 23, 2026.

The revised schedule aims to improve passenger convenience and support early-morning travel between Poonamallee and Vadapalani.

Revised Metro Service Timings

From October 23, 2026, regular passenger services on the 15 km section of Corridor 4 will operate from 6:00 AM to 9:00 PM in both directions.

Metro Train Frequency on Corridor 4 (Yellow Line)

Monday to Saturday

Sundays and Public Holidays

No peak-hour services will operate on Sundays and public holidays.

Last Train Departure

The last train on Corridor 4 will depart at 9:00 PM from both terminal stations:

- Poonamallee Bypass Metro Station

- Vadapalani Metro Station

Passengers are advised to take note of the revised timings and plan their journeys accordingly.