Chennai Metro: Poonamallee - Vadapalani Yellow Line Services to Start at 6 AM from October 23

Chennai Metro Rail Limited (CMRL) has revised the train timings on the Poonamallee Bypass–Vadapalani Yellow Line, with services starting at 6 AM from October 23, 2026, instead of 7 AM.

The 15-km Phase II Corridor 4 connects 11 elevated Metro stations, improving connectivity between Poonamallee and Vadapalani. The revised schedule follows commuter feedback and aims to make early-morning travel more convenient.

Chennai Metro Yellow Line Train Timings

Metro services will operate from 6 AM to 9 PM in both directions. The last train will depart from Poonamallee Bypass and Vadapalani at 9 PM.

Peak hours: 8 AM to 11 AM and 5 PM to 8 PM - trains every 10 minutes.

Non-peak hours: 6 AM to 8 AM, 11 AM to 5 PM and 8 PM to 9 PM - trains every 15 minutes.

Sundays and public holidays: Trains every 15 minutes throughout operating hours.

The earlier start is expected to benefit office workers, students and other passengers who need to travel early in the morning. Commuters can plan their journeys using the updated Chennai Metro timetable.