Chennai Metro Green Line – Complete Guide
Updated on : 30 April 2025

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Guide of the Chennai Metro Green Line
The Chennai Metro Green Line is one of the key corridors in the city's metro network, offering fast, efficient, and comfortable travel from St. Thomas Mount to Puratchi Thalaivar Dr. M.G. Ramachandran Central Metro.

Image Source: chennaimetrorail.org
| 📍 Feature | 📝 Description |
|---|---|
| 🚇 Green Line Route | Runs from Washermanpet in the north to St. Thomas Mount in the south. |
| 🕰️ Timings | First train: 5:30 AM, Last train: 11:00 PM. |
| 🔁 Frequency | Peak hours: 5-7 minutes, Off-peak hours: 10-15 minutes. |
| 🎟️ Ticketing | Smart Cards, Single Journey Tokens, QR Code Tickets available. |
| ♿ Accessibility | All stations are wheelchair accessible with lifts, ramps, and tactile flooring. |
| 📱 Mobile App | Download CMRL app for real-time updates, ticketing, and recharge options. |
| 🧳 Nearby Attractions | Key landmarks include Government Museum, Vadapalani, Koyambedu Market, and more. |
| 🚉 Interchange Stations | Interchanges with the Blue Line at Central, Egmore, and St. Thomas Mount. |
| 🚍 Feeder Services | Metro feeder buses, auto rickshaws, and ride-hailing services available. |
| 🛑 Last Mile Connectivity | Last-mile options include autos, ride-hailing services, e-scooters, and city buses. |
| 🅿️ Parking | Available at key stations like Arumbakkam, Koyambedu, and St. Thomas Mount. |
| 🌐 Website | Chennai Metro Official Website |
Route Map and Stations List
Chennai Metro Green Line Route Map

Image Source: chennaimetrorail.org
Stations List Of Chennai Metro Green Line
| 🚉 Station | 📝 Details | 🏗️ Structure Type |
|---|---|---|
| 🟢 Puratchi Thalaivar Dr. M.G. Ramachandran Central Metro | Interchange with Blue Line; Chennai Central Railway Station; Chennai Suburban Railways | Underground |
| 🟢 Egmore | Chennai Egmore Railway Station; Chennai Suburban Railways | Underground |
| 🟢 Nehru Park | Located in the heart of Chennai near Poonamallee High Road | Underground |
| 🟢 Kilpauk Medical College | Serves the Kilpauk area and Kilpauk Medical College | Underground |
| 🟢 Pachaiyappa’s College | Located near Pachaiyappa's College and local markets | Underground |
| 🟢 Shenoy Nagar | Residential area with access to parks and schools | Underground |
| 🟢 Anna Nagar East | Provides access to Anna Nagar residential locality | Underground |
| 🟢 Anna Nagar Tower | Landmark area within Anna Nagar | Underground |
| 🟢 Thirumangalam | Important shopping and residential area | Underground |
| 🟢 Koyambedu | Major hub near vegetable market and Omni Bus Terminus | Elevated |
| 🟢 Puratchi Thalaivi Dr. J. Jayalalithaa CMBT Metro | Connected to Chennai Mofussil Bus Terminus (CMBT) | Elevated |
| 🟢 Arumbakkam | Residential area, well connected to schools and clinics | Elevated |
| 🟢 Vadapalani | Known for Forum Vijaya Mall and cinema halls | Elevated |
| 🟢 Ashok Nagar | Near Ashok Pillar and major residential colonies | Elevated |
| 🟢 Ekkattuthangal | Industrial and office zone | Elevated |
| 🟢 Arignar Anna Alandur Metro | Interchange with Blue Line | Elevated |
| 🟢 St. Thomas Mount Metro | Interchange with Blue Line and Suburban Railways | Elevated |
Timings And Frequency
Timings:
First Train: 5:30 AM (from both St. Thomas Mount and Washermanpet).
Last Train: 11:00 PM (from both St. Thomas Mount and Washermanpet).
Average Waiting Time:
Around 3-5 minutes for most trains during regular hours.
| ⏰ Timing | 📝 Details |
|---|---|
| 🚉 First Train | 5:30 AM from St. Thomas Mount and Washermanpet stations. |
| 🚉 Last Train | 11:00 PM from St. Thomas Mount and Washermanpet stations. |
| 🔁 Frequency (Peak Hours) | 5-7 minutes between trains during peak times (8:00 AM – 10:00 AM, 5:00 PM – 7:00 PM). |
| 🔁 Frequency (Off-Peak Hours) | 10-15 minutes between trains during off-peak hours. |
| ⏱️ Travel Time (End-to-End) | Approx. 40-45 minutes from St. Thomas Mount to Washermanpet. |
| 🕒 Waiting Time | Average waiting time of 3-5 minutes for trains in normal hours. |
| 🚉 Train Intervals | Trains are synchronized for easy transfer at interchange stations like Central and Egmore. |
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Chennai Metro Green Line Ticket fare details
| 📏 Distance (km) | 💰 Fare (₹) |
|---|---|
| 0 – 2 km | ₹10 |
| 2 – 5 km | ₹20 |
| 5 – 10 km | ₹30 |
| 10 – 16 km | ₹40 |
| Above 16 km | ₹50 |
Chennai Metro Green Line Ticketing And Smart Card Info

Image Source: chennaimetrorail.org
| 🎟️ Option | 📝 Details |
|---|---|
| 💳 Smart Card | Reusable contactless card offering 20% fare discount; can be recharged online or at stations. |
| 🔘 Single Journey Token | Valid for one trip; available at ticket counters and vending machines. |
| 🎫 Return Journey Token | Offered for select destinations; valid for same-day return trips. |
| 📲 QR Code Tickets | Buy digital tickets via CMRL app; scan QR at entry/exit gates. |
| 🏧 Recharge Methods | Online (CMRL app/website), ticket counters, vending machines, PayTM, and other UPI platforms. |
| 🕐 Validity | Tokens valid for 2 hours from time of issue; smart card balance valid for 1 year. |
| 👥 Group Travel | Group tickets available for 10+ persons; inquire at station help desk. |
| 🧾 Concessions | Special rates for senior citizens, students, and differently-abled (with valid ID). |
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Major Landmarks and Connectivity
| 📍 Station | 🏙️ Nearby Landmarks / Connectivity |
|---|---|
| 🚉 Washermanpet | Close to Old Washermanpet Market, North Chennai colleges, and Mint Bridge. |
| 🚉 Central Metro | Connects to Chennai Central Railway Station and Blue Line; hub for city-wide transit. |
| 🚉 Egmore | Near Egmore Railway Station and Government Museum. |
| 🚉 Chetpet | Access to Chetpet Eco Park and Chetpet Railway Station. |
| 🚉 Arumbakkam | Near CMBT Bus Terminus and VR Chennai Mall via short auto ride. |
| 🚉 Vadapalani | Close to Forum Vijaya Mall, AVM Studios, and Vadapalani Murugan Temple. |
| 🚉 Ashok Nagar | Residential hub with access to Ashok Pillar and nearby schools. |
| 🚉 St. Thomas Mount | Major interchange with Suburban Rail and Blue Line; near Guindy Industrial Estate. |
Facilities and Accessibility
| 🏢 Facility | 📝 Description |
|---|---|
| ♿ Accessible Stations | All stations are wheelchair accessible with ramps, elevators, and tactile flooring. |
| 🚻 Restrooms | Clean public restrooms available at all major stations. |
| 🛗 Elevators & Escalators | Multiple lifts and escalators for easy access across platforms and levels. |
| 📶 Free Wi-Fi | Available at select stations like Central, Koyambedu, and St. Thomas Mount. |
| 🅿️ Parking | Two-wheeler and car parking available at major stations like Arumbakkam and Ashok Nagar. |
| 🧾 Ticket Counters & Kiosks | Smart card and token counters, along with self-service kiosks, at all stations. |
| 📢 Announcements & Signage | Bilingual digital boards and clear audio announcements in Tamil and English. |
| 🧍 Security & Help Desks | CCTV surveillance and assistance booths available at every station. |
Interchange Stations
The Chennai Metro Green Line offers seamless connectivity with other metro lines through several key interchange stations. The most prominent interchange station is Central Metro Station, where passengers can switch between the Green Line and the Blue Line, enabling access to a wide range of destinations across Chennai.
| 🔄 Interchange Station | 🔁 Connecting Line |
|---|---|
| 🟢 Puratchi Thalaivar Dr. M.G. Ramachandran Central Metro | Blue Line (Washermanpet – Airport) |
| 🟢 Arumbakkam | Feeder buses connect to Ashok Nagar (Blue Line nearby) |
| 🟢 Vadapalani | Proximity to Kodambakkam and Ashok Nagar (Blue Line via road) |
| 🟢 St. Thomas Mount | Blue Line and Suburban Rail (Tambaram–Beach Line) |
Nearby Attractions
| 📍 Attraction | 📝 Description |
|---|---|
| 🛕 Kapaleeshwarar Temple | Historic Dravidian-style temple near Washermanpet (via short commute). |
| 🛍️ T. Nagar Shopping District | Popular for silk sarees and jewelry, accessible via transfers to Blue Line. |
| 🏛️ Government Museum, Egmore | Colonial-era museum near Egmore Station; easy to reach via local transit. |
| 🎭 Music Academy, Royapettah | Hub for classical concerts; reachable via connecting roads from Green Line. |
| 🧺 Koyambedu Market | One of Asia’s largest perishable goods markets, near Koyambedu Metro Station. |
| 🎡 VR Chennai Mall | Modern shopping and entertainment center close to Arumbakkam Station. |
| 🌳 Guindy National Park | Urban wildlife sanctuary accessible from St. Thomas Mount with a short auto ride. |
| 🎓 Loyola College | Historic college near Nungambakkam; accessible via Kodambakkam area transfers. |
Real Estate Trends Around Chennai Metro Green Line
| 📍 Locality | 📈 Price Trend | 🏗️ Growth Factors |
|---|---|---|
| Anna Nagar | ↑ 25-30% increase in property values | Proximity to metro, schools, shopping hubs |
| Vadapalani | ↑ From ₹7,900 to ₹10,000/sq.ft | Improved connectivity, malls (e.g., Forum Vijaya) |
| Kilpauk | ↑ From ₹11,600 to ₹13,200/sq.ft | Central location, access to healthcare and schools |
| Koyambedu | ↑ From ₹7,000 to ₹8,800/sq.ft | Major transport hub, metro + bus terminus |
| Shenoy Nagar | ↑ 20-25% rise | Underground metro, parks, and residential demand |
| Thirumangalam | ↑ 20-30% rise | Residential popularity, close to Anna Nagar |
| Ashok Nagar | ↑ Moderate appreciation | Well-developed residential zone |
| St. Thomas Mount | ↑ Property demand rising | Interchange station with rail and metro access |

Image Source: chennaimetrorail.org
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Tips for First-Time Commuters
| 🚇 Tip | 📝 Description |
|---|---|
| 💳 Get a Travel Card | Avoid queues and save on fares with a smart card. |
| ⏰ Check Timings | Use the CMRL app or website for accurate schedules. |
| 🕒 Travel Off-Peak | Ride between 11 AM–4 PM to avoid rush hours. |
| 🗺️ Know the Route | Covers Washermanpet to St. Thomas Mount. |
| 📱 Recharge Online | Use digital platforms for smart card top-ups. |
| 💰 Carry Change | Helpful for single journey token purchases. |
| 🤝 Follow Etiquette | Stand right on escalators, let others exit first. |
| 🚖 Plan Last Mile | Use autos, share rides, or buses from metro stations. |
| 🔈 Listen to Alerts | Platform announcements guide train direction and updates. |
| 📞 Keep Contacts Ready | CMRL helpline and emergency info can be vital. |
Chennai Green Metro Line Contact Info
| 📞 Service | 📋 Contact Information |
|---|---|
| 📱 CMRL Helpline | 044-2379 2000 (General Enquiries) |
| 🚨 Emergency Helpline | 182 (Metro Security) |
| 🧾 Lost & Found | Available at all station control rooms or call 044-2379 2000 |
| 🕐 Operating Hours | Approx. 5:30 AM – 11:00 PM (subject to station) |
| 🌐 Official Website | www.chennaimetrorail.org |
| 📧 Email Support | feedback@cmrl.in |
| 📍 Headquarters | CMRL Admin Building, Koyambedu, Chennai – 600107 |
| 📲 Mobile App | Available on iOS & Android: 'CMRL Chennai Metro Rail App' |
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FAQs
Q.1 What is the Chennai Metro Green Line?
A: A metro line connecting Chennai Central to St. Thomas Mount.
Q.2 What are the start and end points of the Green Line?
A: Chennai Central to St. Thomas Mount.
Q.3 How many stations are on the Green Line?
A: 17 stations.
Q.4 Are the stations underground or elevated?
A: Both underground and elevated stations.
Q.5 Is there an interchange on the Green Line?
A: Yes, at Chennai Central with the Blue Line.
Q.6 What is the total length of the Green Line?
A: 20.5 km.
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