Chennai Metro Rail starts exploring 3 RRTS corridors in Tamil Nadu – Check routes

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What is RRTS?

RRTS is planned to decongest the city by allowing faster reach to city centre from sub-urban areas. Currently, only 55-km section of the Namo Bharat Corridor between New Ashok Nagar in Delhi to Meerut South Station is operational for commuters. The stretch is a part of Delhi-Ghaziabad-Meerut RRTS corridor.

Tamil Nadu RRTS Project

The CMRL has launched three simultaneous feasibility studies to define RRTS networks that will link Cities of Chennai and Coimbatore with their neighbouring regional centres. In a statement, the CMRL said, “…appointed M/s Balaji Railroad Systems Private Limited as the Feasibility-Study Consultant for the three assignments.”

According to CMRL, the consultants will study alternate options of route for each planned RRTS lines, choosing station points, depot and smooth change-over points with other transport modes.

“This assignment will decide whether tracks should run on-ground, raised, or underground, land needs, environmental issues and broad project cost,” it said in a statement on August 1.

Tamil Nadu Metro RRTS Lines Feasibility, Tamil Nadu RRTS Routes

The feasibility study will be conducted for three corridors:

• 170-km-long Chennai – Chengalpattu – Tindivanam – Villupuram
• 140-km-long Chennai – Kanchipuram – Vellore
• 185-km-long Coimbatore – Tiruppur – Erode – Salem

Chennai Metro Ridership 2025

For the first time, the CMRL has registered more than One Crore passengers in July, 2025. According to the official release, a total of 1,03,78,835 passengers have travelled in the Metro trains from July 1 to July 31. On July 4, 2025 the CMRL recorded the highest passenger flow per day with 3,74,948 passengers.