Chennai Metro Rail Ltd. has announced scheduled maintenance work on the Green Line and Blue Line from October 20 to October 24, 2025, as part of its annual priority upkeep. This essential maintenance will ensure the safety, reliability, and smooth operation of services.
Key Details:
- Maintenance Period: October 20 to October 24, 2025
- Service Hours Affected: 5:00 AM to 6:30 AM daily
- Frequency Change: Trains will run at a 14-minute interval instead of the usual 7-minute interval during the maintenance hours.
- Post-Maintenance: After 6:30 AM, services will return to normal with regular train frequencies.
Affected Routes:
Green Line and Blue Line services will experience these adjustments.