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Chennai Metro & Urban Rail Network

India · Authority: Chennai Metro Rail Limited (CMRL) ↗

🚇 3 Corridors
🚉 47 Stations
🕒 05:00 – 23:30
⚡ High-Frequency
🚇 Metro & Rail (3 Lines · 47 Stations) 🚌 City Bus Network → ⛴️ Passenger Ferries & Water Metro → 🚆 Intercity Rail Routes →
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Chennai Metro Spatial Alignment Map

Blue Line (Line 1) Green Line (Line 2) Corridor 4 (Lighthouse Marina–Poonamallee Bypass)
⚡ High-Precision Interactive Transit Alignment & Stations • Click any station node to inspect interchange directives 3 Operational Corridors • 47 Stations
Start Point
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End Point
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⚡ Quick Hubs:
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First & Last Train Working Timetable Matrix

✓ Official Working Timetable
Corridor Line Direction & Terminals First Train Last Train Peak Headway Off-Peak Headway Corridor Span
Blue Line (Line 1)
Wimco Nagar Depot → Chennai International Airport
05:00 23:00 Every ~5m Every ~9m ~44 mins (21 stops)
(Return Inbound)
Chennai International Airport → Wimco Nagar Depot
05:00 23:00 Every ~5m Every ~9m ~44 mins (21 stops)
Green Line (Line 2)
Puratchi Thalaivar Dr. M.G. Ramachandran Central → St. Thomas Mount
05:00 23:00 Every ~6m Every ~10m ~35 mins (17 stops)
(Return Inbound)
St. Thomas Mount → Puratchi Thalaivar Dr. M.G. Ramachandran Central
05:00 23:00 Every ~6m Every ~10m ~35 mins (17 stops)
Corridor 4 (Lighthouse Marina–Poonamallee Bypass)
Lighthouse (Marina Beach) → Poonamallee Bypass Terminal
05:00 23:59 Every ~3m Every ~6m ~26 mins (13 stops)
(Return Inbound)
Poonamallee Bypass Terminal → Lighthouse (Marina Beach)
05:00 23:59 Every ~3m Every ~6m ~26 mins (13 stops)
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Chennai Metro Unified Network & Interchange Hubs

All Corridors Seamlessly Connected

Chennai Metro operates as an integrated grid with cross-platform and multi-level transfer junctions. Passengers can switch between lines or board direct inter-corridor trains across these key interchange stations:

🚉 Arignar Anna Alandur Bi-Level Junction
Blue Line (Level 1) ⇄ Green Line (Level 2)
Cross-platform transfer under 60s • Direct through-running airport services
🚉 Chennai Central (M.G.R.) Underground Hub
Blue Line ⇄ Green Line
Direct subterranean transfer concourse • Southern Railway MAS & Suburban EMU
🚉 Nandanam Interchange North-South / East-West
Blue Line ⇄ Corridor 4 (Orange)
Interconnects Anna Salai trunk corridor with Lighthouse-Poonamallee line
🚉 Vadapalani Interchange Western Junction
Green Line ⇄ Corridor 4 (Orange)
Multi-deck interchange connecting Inner Ring Road with Porur & MTC Bus Depot
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Operational Corridors (3 Lines)

Click any corridor to view full station halts & platform schematics
🚇 Blue Line (Line 1) METRO

Wimco Nagar Depot ⇄ Chennai International Airport

via via Washermanpet, Chennai Central, LIC, Nandanam, Guindy & Alandur
🚉 21 Stations ⏱️ ~44m ⚡ ~5m peak 🕒 05:00–23:00
Interchanges: Green Line Corridor 4
🚇 Green Line (Line 2) METRO

Puratchi Thalaivar Dr. M.G. Ramachandran Central ⇄ St. Thomas Mount

via via Egmore, Shenoy Nagar, Koyambedu, CMBT, Vadapalani & Alandur
🚉 17 Stations ⏱️ ~35m ⚡ ~6m peak 🕒 05:00–23:00
Interchanges: Blue Line Corridor 4
🚇 Corridor 4 (Lighthouse Marina–Poonamallee Bypass) METRO

Lighthouse (Marina Beach) ⇄ Poonamallee Bypass Terminal

via via Kutchery Road, Nandanam, Vadapalani, Porur Junction & Iyyappanthangal
🚉 13 Stations ⏱️ ~26m ⚡ ~3m peak 🕒 05:00–23:59
Interchanges: Blue Line Green Line
💳 Official Ticketing & Travel Guidelines
💳 Smartcard & Travel Passes
CMRL Travel Card / Singara Chennai NCMC Card (20% discount on peak / off-peak fares)
📱 Contactless & Open-Loop
EMV Open-Loop (RuPay, Visa, Mastercard) & National Common Mobility Card (NCMC)
📲 Digital QR Ticketing
CMRL Mobile App QR Ticket, WhatsApp Ticketing (+91 83000 86000), Paytm / PhonePe QR
🎟️ Single Journey & Paper Tokens
Paper QR Tokens available at automatic Ticket Vending Machines (TVMs)