The Chennai Metro network is witnessing an expansion, providing enhanced connectivity to different parts of the city. The Chennai Metro Phase-1 project covers 45.1 km of metro lines, including the 23.1 km Chennai Airport – Washermanpet section (Blue Line) and 22 km Chennai Central – St. Thomas Mount section (Green Line). The Chennai Metro Phase-2 project comprises three lines covering a total of 116.1 km. The development of the Chennai Metro Phase-2 is picking up pace, especially the Madhavaram to Sholliganallur section covering 44.6 km. This project includes the development of tracks for driverless trains.
The upcoming Phase-2 project is expected to boost the integration of the Chennai Metro network, enabling easy access across the city and surrounding areas.
Chennai Metro Phase-2: Quick facts
| Project | Chennai Metro Phase-2 |
| Metro lines | 3 |
| Madhavaram-SIPCOT 2 line or Purple line | 45.4 km (48 stations) |
| Lighthouse-Poonamallee Bus Depot line or Orange line | 26.09 km (28 stations) |
| Madhavaram-Sholinganallur line or Red line | 44.6 km (48 stations) |
| Length | 116.1 km |
| Number of stations | 124 |
| Developed by | Chennai Metro Rail Limited (CMRL) |
| Estimated cost | Rs 62,246 Cr |
| Expected completion date | 2025 to 2030 |
Chennai Metro Phase-2: Latest updates
Lighthouse to Poonamallee section likely to open by end of 2027
The Chennai Metro corridor connecting Lighthouse to Poonamallee is expected to open by the end of 2027, enhancing connectivity for those travelling from the west to the eastern part of the city. The CMRL plans to open other corridors in phases, with Poonamallee to Porur junction expected to commence operations by the end of 2025. The section from Porur to Powerhouse is expected to open in the following year, resulting in full operationalisation of the corridor by the end of 2027.
Driverless metro operations to be introduced in Chennai Metro Phase-2
As per media reports, the French multinational Alstom recently said that it has started manufacturing driverless train sets for the Chennai Metro Phase-2 at its Sri City industrial site. The company will manufacture 36 metro train sets with three cars per set and a top speed of 80 kmph. Alstom will also be in-charge of providing trainings to metro rail employees for operating and maintaining driverless trains.
Chennai Metro Phase-2: Map
Source: chennaimetrorail.org
Chennai Metro Phase-2: Routes
The Chennai Metro Phase-2 includes three corridors to be developed on standard gauge tracks. Each corridor will have smaller stops/stations compared to the one completed in Phase-1.
Line-3 (Purple Line): Madhavaram – SIPCOT 2
Total length: 45.4 km
Layout: Elevated (19 km) and underground (26.4 km)
Number of depots: Madhavaram and SIPCOT 2
Number of stations: 48
| Purple Line stations | Interchange |
| Madhavaram Milk Colony | |
| Thapalpetti | |
| Murari Hospital | |
| Moolakadai | |
| Sembiyam | |
| Permabur Market | |
| Perambur Metro | |
| Ayanavaram Otteri | |
| Pattalam | |
| Perambur Barracks Road | |
| Purasawalkam High Road | |
| Kellys | |
| KMC | |
| Chetpet Metro | |
| Sterling Road Junction | |
| Nungambakkam | |
| Gemini | |
| Thousand Lights | |
| Royapettah Government Hospital | |
| Radhakrishnan Salai Junction | |
| Thirumayilai Metro | Interchange with Line-4 |
| Mandaiveli | |
| Greenways Road Metro | |
| Adyar Junction | |
| Adyar Depot | |
| Indira Nagar | |
| Thiruvanmiyur Metro | |
| Taramani Road Junction | |
| Nehru Nagar | |
| Kandanchavadi | |
| Perungudi | |
| Thoraipakkam | |
| Mettukuppam | |
| PTC Colony | |
| Okkiyampet | |
| Karapakkam | |
| Okkiyam Thoraipakkam | |
| Sholinganallur | Interchange with Line-5 |
| Sholinganallur Lake | |
| Ponniamman Temple | |
| Sathyabama University | |
| St. Joseph College | |
| Semmancheri | |
| Gandhi Nagar | |
| Navallur | |
| Siruseri | |
| SIPCOT-1 | |
| SIPCOT-2 |
Line-4 (Orange Line): Lighthouse – Poonamallee Bus Depot
Total length: 26.09 km
Layout: Elevated (16.02 km) and underground (10.07 km)
Number of depots: Poonamallee
Number of stations: 28 (18 elevated and 10 underground)
| Orange Line stations |
| Light House |
| Kutchery Road |
| Thirumayilai Metro |
| Alwarpet |
| Bharathidasan Road |
| Adyar Gate Junction |
| Nandanam |
| Panagal Park |
| Kodambakkam Sub Urban |
| Meenakshi College |
| Powerhouse |
| Vadapalani |
| Saligramam |
| Avichi School |
| Alwarthirunagar |
| Valasaravakkam |
| Karambakkam |
| Alapakkam |
| Porur Junction |
| Chennai Bypass Crossing |
| Ramachandra Hospital |
| Iyyapanthangal Bus Depot |
| Kattupakkam |
| Kumananchavadi |
| Karayanchavadi |
| Mullai Thottam |
| Poonamalle bus terminus |
| Poonamallee Bypass |
| Poonamallee Bus Depot |
Line-5 (Red Line): Madhavaram – Sholinganallur
Total length: 44.6 km
Layout: Elevated (38.77) and underground (5.83 km)
Number of depots: Madhavaram
Number of stations: 48 (41 elevated, 1 at-grade and six underground)
| Red Line metro stations | Interchange |
| Madhavaram Milk Colony | Interchange with Line-3 |
| Venugopal Nagar | |
| Assissi Nagar | |
| Manjambakkam | |
| Velmurugan Nagar | |
| MMBT | |
| Shastri Nagar | |
| Reteeri Junction | |
| Kolathur Junction | |
| Srinivasa Nagar | |
| Villivakkam Metro | |
| Villivakka, Bus Terminus | |
| Nadhamuni | |
| Anna Nagar Depot | |
| Thirumangalam | |
| Kendriya Vidyalaya | |
| Grain Market | |
| Sai Nagar Bus Stop | |
| Elango Nagar Bus Stop | |
| Alwartiru Nagar | |
| Valasaravakkam | |
| Karabakkam | |
| Alapakkam | |
| Porur Junction | |
| Mugalivakkam | |
| DLF IT SEZ | |
| Sathya Nagar | |
| CTC | |
| Butt Road | |
| Alandur | Interchange with Line-1 and Line-2 |
| St. Thomas Mount | Interchange with Line-2 |
| Adambakkam | |
| Vanuvampet | |
| Puzhuthivakkam | |
| Madipakkam | |
| Kilkattalai | |
| Echangadu | |
| Kovilabakkam | |
| Vellakkal | |
| Medavakkam Koot Road | |
| Kamraj Garden Street | |
| Medavakkam Junction | |
| Perumbakkam | |
| Global Hospital | |
| Elcot | |
| Sholinganallur |
Chennai Metro Phase-2: Real estate impact
The upcoming metro lines under Metro Phas-2 project in Chennai are expected to boost intracity connectivity, including major residential and commercial neighbourhoods and IT hubs. The metro project is also expected to boost demand for residential and commercial properties along the corridor.
FAQs
What is Phase-2 Chennai Metro route?
The Chennai Metro Phase-2 includes three corridors -- Madhavaram-SIPCOT 2 line or Purple line, Lighthouse-Poonamallee Bus Depot line or Orange line and Madhavaram-Sholinganallur line or Red line.
What is Phase-2 Chennai Metro route?
The metro lines under Chennai Metro Phase-2 are under construction and are expected to be ready between 2025 and 2030.
What is the total length of the Chennai Metro Phase-2?
The Chennai Metro Phase-2 covers a length of 116.1 km.
What is the total cost of the Chennai Metro Phase-2 project?
The Metro Phase-2 project in Chennai is being developed at an estimated cost of Rs 62,246 Cr.
When did the construction of Chennai Metro Phase-2 project begin?
The construction of the Chennai Metro Phase-2 project started on June 1, 2021.
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