Chennai, 23 October 2026: Chennai Metro Rail Limited has announced an earlier start for Yellow Line services, with the first train at 6:00 AM from Friday, 23 October. CMRL shared the revised timetable on its official X account on 22 October.
Revised Yellow Line Timetable
| Day | Service period | Train interval |
|---|---|---|
| Monday–Saturday | 8:00–11:00 AM 5:00–8:00 PM |
Every 10 minutes |
| Monday–Saturday | 6:00–8:00 AM 11:00 AM–5:00 PM 8:00–9:00 PM |
Every 15 minutes |
| Sundays and holidays | 6:00 AM–9:00 PM No separate peak service |
Every 15 minutes |
A Separate Sunday and Holiday Schedule
The timetable distinguishes Monday–Saturday peak and non-peak operations from Sunday and holiday services. The latter run at 15-minute intervals throughout the published 6:00 AM–9:00 PM service window, without a separate peak-hour schedule.
What Passengers Should Check
Passengers planning an early journey should check departure information for their boarding station. The 6:00 AM announcement concerns the start of service; it should not be interpreted as a simultaneous departure from every station.
The graphic identifies Poonamallee Bypass, Porur Junction and Vadapalani. It does not announce a fare revision or a change to other Chennai Metro lines.
Original source: Chennai Metro Rail Limited, @cmrlofficial, official X announcement, published 22 October 2026 at 3:53 PM IST.
Image Source: Vamsinath Reddy / Unsplash. Chennai Metro photograph, published 22 June 2022. Used under the Unsplash License. Representative archive image; it does not depict the revised Yellow Line service.

