Green Line
Central–south corridor.
Chennai Central ⇄To
St Thomas Mount
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About Green Line
Frequently asked questions
Which stations are on Green Line in Chennai Metro?
17 stations from Chennai Central to St Thomas Mount: St Thomas Mount, Alandur, Ekkattuthangal, Ashok Nagar, Vadapalani, Arumbakkam, CMBT, Koyambedu, Thirumangalam, Anna Nagar Tower, Anna Nagar East, Shenoy Nagar, Pachaiyappa's College, Kilpauk, Nehru Park, Egmore Metro, Central Metro.
What are the first and last train timings for Green Line?
First train 05:00 — last train 23:00. No scheduled overnight service. Timings can vary by station and direction; confirm with Chennai Metro Rail Limited.
How long does Green Line take end to end?
About 38–42 min over 19.7 km. Peak frequency 5–7 min, off-peak 8–12 min.
Where can I interchange from Green Line to other lines?
St Thomas Mount (Green Line: Chennai Central → St. Thomas Mount); Alandur (Blue Line, Green Line: Chennai Central → St. Thomas Mount, Inter-Corridor Line, Inter-Corridor Line: Chennai Central → Chennai International Aiirport); Ekkattuthangal (Green Line: Chennai Central → St. Thomas Mount, Inter-Corridor Line, Inter-Corridor Line: Chennai Central → Chennai International Aiirport); Ashok Nagar (Green Line: Chennai Central → St. Thomas Mount, Inter-Corridor Line, Inter-Corridor Line: Chennai Central → Chennai International Aiirport)
Who operates Green Line?
Chennai Metro Rail Limited (CMRL). Rolling stock: Alstom Metropolis. Design speed: 80 km/h.
Source: Chennai Metro Rail Limited, OpenStreetMap, Official publications · Last updated: Aug 2026