• Source:JND
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Chennai Metro Update: Chennai Metro Rail Limited (CMRL) has announced temporary changes in train timings and frequency on both the Green and Blue Lines due to rail grinding track maintenance. The work forms part of CMRL’s annual safety and reliability programme.

Chennai Metro: Maintenance Timings

The maintenance will take place from September 9 to October 19, 2025, on specified days. During this period, trains will run between 5:00 AM and 6:30 AM at 14-minute intervals, instead of the usual 7 minutes. Normal schedules will resume from 6:30 AM onwards.

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Chennai Metro Timing Change: Affected Sections

The changes will apply only to the sections of the Green and Blue Lines where maintenance is being carried out. Passengers are advised to plan their early morning journeys accordingly.

Chennai Metro Update: Passenger Advisory

CMRL urged commuters to stay updated through the CMRL mobile app and official social media channels. For queries, passengers can contact the CMRL Helpdesk at 1860-425-1515 or visit chennaimetrorail.org.

The corporation stated that the maintenance is essential to ensure safe, smooth and reliable metro services. CMRL apologised for the inconvenience and thanked passengers for their cooperation.

 

In separate news, Chennai city police arrested a 17-year-old boy for making a bomb threat to Koyambedu Metro Rail station. The threat call was received on September 5 at around 5:45 pm when the caller contacted the Metro women’s helpline and claimed a bomb was planted on a train before abruptly hanging up. CMRL staff, along with the Bomb Detection and Disposal Squad, inspected trains and stations, confirming it was a hoax. Services continued without disruption, but security was heightened across entry and exit points. Police traced the caller to Kallakurichi and seized his mobile. He was produced before the Juvenile Justice Board.