Chennai Metro Phase 1 – Information, Route Maps, Tenders & Updates

Menu: News & Construction Updates | Overview | Phase 1 Info | Phase 1 Extension Info | Phase 2 Info | Metrolite Project Info

Phase 1 Information

Construction for Chennai Metro Phase 1 (45.1 km) started in April 2009, with the first section of the Blue Line (Line-1) between Koyambedu – Alandur opening in June 2015. Further sections opened up one after the other between 2015-2019, with the last section connecting AG-DMS to Washermenpet opening in February 2019.

In December 2015, a 9 km extension of the Blue line toward Wimco Nagar was approved at a cost of Rs. 3770 crore as part of the Phase 1 Extension project. Construction on this extension started in 2016-end and the line is expected to open for commercial operations in Q4 2020.

In 2019, Chennai Metro Rail Ltd. appointed Larsen & Toubro to create a feasibility report for extending Chennai Metro’s Blue Line from the Airport to Kilambakkam. This proposed 15.3 km extension will have 13 elevated stations along GST Road and its Detailed Project Report (DPR) is expected to be ready by 2020-end.

Phase 1 Routes

This phase involves the construction of 2 new lines on standard gauge tracks:

Line-1 (Blue Line): Chennai Airport – Washermanpet (23.10 km)

  • Status: Operational
  • Type: Elevated & Underground
  • Depot: Koyambedu (shared with Green Line)
  • Number of Stations: 17
  • Station Names: Chennai International Airport, Meenambakkam, Nanganallur Road (OTA), Alandur, Guindy, Little Mount, Saidapet, Nandanam, Teynampet, AG-DMS, Thousand Lights, LIC, Government Estate, Chennai Central, High Court, Mannadi, Washermanpet

Line-2 (Green Line): Chennai Central – St. Thomas Mount (22 km)

  • Status: Operational
  • Type: Elevated & Underground
  • Depot: Koyambedu (shared with Blue Line)
  • Number of Stations: 17
  • Station Names: St. Thomas Mount, Alandur, Ekkattuthangal, Ashok Nagar, Vadapalani, Arumbakkam, CMBT, Koyambedu, Thirumangalam, Anna Nagar Tower, Anna Nagar East, Shenoy Nagar, Pachaiyappa’s College, Kilpauk Medical College, Nehru Park, Egmore, Chennai Central

Phase 1 Route Map

The embedded map below shows the exact location of all stations and can be zoomed into!

An official PDF route map of Chennai Metro Phase 1 will be added here when available.

Key for map below: Phase 1 | Phase 1 ExtensionPhase 2 


Chennai Metro (CMRL) Phase 1 tenders can be viewed on the CMRL’s website. News on these notices, their bidders and contracts are covered in further detail on the news & construction page.

List of Major Contractors

Detailed Project Report (DPR) Preparer and Interim Consultant till September 2014Delhi Metro Rail Corporation (DMRC)
General Consultancy ServicesEgis Rail – Egis India – Maunsell Consultants Asia – Balaji Rail Road Systems – Yachiyo Engineering JV
168 Coaches (Rolling Stock)Alstom India Ltd.
Power Supply and Overhead Equipments (OHE), Signalling, Platform Screen doors and Tele-communicationsSiemens AG – Siemens Ltd.
Lifts and EscalatorsSJEC Corporation – Johnson Lifts Pvt. Ltd.
Design and Construction of Track Work in Viaduct, Tunnel, Underground and Depot in Corridor – I & IILarsen & Toubro – Alstom Transport, SA – Alstom Projects India Ltd.
Automatic Fare Collection (AFC) SystemNippon Signal Company Limited
Design and build tunnel Ventilation SystemEmirates Trading Agency – ETA Engineering Pvt. Ltd.
Underground stations air conditioning systemVoltas Ltd.
UAA-01: Construction of
Washermenpet to Egmore/May Day Tunnels & 4 stations
Afcons – Transtonnelstroy JV
UAA-02: Construction of
May Day Park to AG-DMS
Tunnels & 3 stations
Gammon – Mosmetrostroy jv
UAA-03: Construction of
AG-DMS to Saidapet
Tunnels & 4 stations
Gammon – Mosmetrostroy jv
UAA-04: Construction of
Egmore t0 Shenoy Nagar
Tunnels & 3 stations
UAA-05: Construction of
Shenoy Nagar to Thirumangalam
Tunnels & 4 stations
Afcons -Transtonnelstroy

History: Key Dates of Phase 1

• 29 Jun 2015: Koyambedu – Alandur (Green line) – 10 km
• 21 Sept 2016: Airport –  Little Mount (Blue Line) – 8.6 km
• 15 Oct 2016: Alandur – St. Thomas Mount (Green line) – 1.3 km
• 14 May 2017: Koyambedu – Nehru Park (Green line) – 8 km
• 25 May 2017: Little Mount – AG-DMS (Blue Line) – 4.8 km
• 25 May 2018: Nehru Park – Central (Green line) – 2.6 km
• 10 Feb 2019: AG-DMS – Washermenpet (Blue Line) – 9.8 km

Click on ‘News & Construction Updates’ below for project news, progress and updates.

Menu: News & Construction Updates | Overview | Phase 1 Info | Phase 1 Extension Info | Phase 2 Info | Metrolite Project Info

Page last updated: April 24, 2022. Have a question or spot an error? Let me know here.