Chennai Metro Updates : New Routes, Map, Timings, and Charges

chennai metro route
chennai metro route

1. Chennai Metro Overview

The Tamil Nadu capital city is served by the Chennai Metro fast metro transit system. The Chennai Metro system, which opened in 2015, is the fourth-longest metro network in India. There were three lines under development and two operating on the Chennai Metro as of March 2022. The Chennai Metro Rail Corporation is in charge of building and running the Chennai Metro (CMRL).

The Government of Tamil Nadu and the Union Government of India jointly own the Chennai Metro Rail Corporation. There are both elevated and subterranean metro stations in the Chennai Metro system. To guarantee smooth communication and interoperability, Chennai Metro Rail Corporation intends to assume control of the Chennai Mass Rapid Transit System. The Indian Railways runs this network of elevated trains.

2. Chennai Metro Route Map

Three construction lines and two running metro lines are present.

The following is the official map of the Chennai metro:

Chennai Metro Map
Chennai Metro Map

Chennai Metro Routes

There are two main categories into which Chennai Metro lines may be placed.

The Green Line and Blue Line are active lines.

Orange, Red, and Purple lines are under development.

3. Chennai Metro: Operational Lines

Chennai Metro: Blue Line 1- Wimco Nagar Depot to Chennai International Airport

One of the two metro lines in use in the Chennai Metro network is called Blue Line 1. From Wimco Nagar to Chennai’s International Airport, the Chennai Metro’s Blue Line 1 runs. Along the route, Line 1 has a total of 26 metro stops. Thirteen of the 26 metro stations are elevated, and the remaining 13 are subterranean.

Blue Line 1 of Chennai Metro
Sr NoMetro StationConnected withElevationOpening Date
1Wimco Nagar DepotChennai Suburban RailwaysElevated14-Feb-21
2Wimco NagarChennai Suburban RailwaysElevated14-Feb-21
3TiruvottriyurChennai Suburban RailwaysElevated13-03-2022
4Tiruvottriyur TheradiNoneElevated14-Feb-21
6TollgateChennai Suburban RailwaysElevated14-Feb-21
7New Washermanpet stationNoneElevated14-Feb-21
8Tondiarpet StationNoneUnderground14-Feb-21
9Sir Theagaraya College StationNoneUnderground10-Feb-19
10WashermanpetChennai Suburban RailwaysUnderground10-Feb-19
11Mannadi StationNoneUnderground10-Feb-19
12High CourtBus TerminusUnderground10-Feb-19
13Puratchi Thalaivar Dr. M.G. Ramachandran CentralGreen Line ConnectionUnderground10-Feb-19
14Government EstateNoneUnderground10-Feb-19
16Thousand LightsLine 3 (Chennai Metro)Underground25-May-18
17AG – DMSNoneUnderground25-May-18
19NandanamLine 4 (Chennai Metro)Underground25-May-18
21Little MountNoneElevated21-Sep-16
22GuindyChennai Suburban RailwaysElevated29-Jun-15
23Arignar Anna AlandurGreen Line 5Elevated21-Sep-16
24Nanganallur RoadNoneElevated21-Sep-16
25MeenambakkamChennai Suburban RailwaysElevated21-Sep-16
26The Chennai International AirportThe Chennai Suburban RailwaysElevated14-Feb-21

Chennai Metro: Green Line 2 – Chennai Central to St Thomas Mount

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One of the two lines of the Chennai metro that is now in service is Green Line 2. From St Thomas Mount station to Chennai Central metro station, the Green Line runs. There are seventeen stations in the whole Green Line metro network. Nine of the 17 metro stations are subterranean, while eight are raised.

Sr NoMetro StationConnected ToStation Layout
1The Chennai Central MetroChennai Moore Market, Chennai Park Suburban, Chennai Park Town MRTS, Chennai Central train station and the Blue LineUnderground
2Egmore StationChennai Egmore Train Station Chennai Suburban RailwaysUnderground
3Nehru Park StationNoneUnderground
4Kilpauk Medical College StationChennai Suburban Railways Line 3Underground
5Pachaiyappa’s CollegeNoneUnderground
6Shenoy NagarNoneUnderground
7Anna Nagar EastNoneUnderground
8Anna Nagar TowerNoneUnderground
11CMBTLine 5 (Chennai Metro) and Chennai Mofussil Bus TerminusElevated
13VadapalaniLine 4Elevated
14Ashok NagarNoneElevated
15Ekkattuthangal StationNoneElevated
16Alandur StationBlue Line Line 5 of Chennai MetroElevated
17St. Thomas Mount StationChennai Suburban Railways or MRTSElevated

Also Read: Hyderabad Metro Route Maps, Timings, Ticket Rates

4. Chennai Metro: Under Construction Lines

The Purple Line, Orange Line, and Red Line are the three Chennai Metro lines that are currently under development.

Chennai Metro: Purple Line 3 Madhavaram Milk Colony to Siruseri SIPCOT 2

Chennai Metro’s Purple Line, 3 is a metro line that is currently being built. This will travel to the Madhavaram Milk Colony from Siruseri SIPCOT 2. There will be 48 stations along the Purple Line overall. 19 of them will be raised, while 29 will be subterranean. The following stations will be available on the Purple Line:

Purple Line of Chennai Metro (Under-construction)
S.NoMetro stationInterconnectionsLayout
1Madhavaram Milk ColonyLine 5Underground
3Madhavaram high roadNoneUnderground
6Perambur MarketNoneUnderground
7PeramburSuburban railwayUnderground
8AyanavaramBus TerminalUnderground
11Perambur Barracks RoadNoneUnderground
12Purasaiwakkam StationNoneUnderground
14Kilpauk Medical CollegeGreen LineUnderground
15Chetpet StationChennai Suburban RailwaysUnderground
16Sterling Road JunctionNoneUnderground
18Anna flyover StationNoneUnderground
19Thousand LightsBlue LineUnderground
21Dr.Radhakrishnan SalaiNoneUnderground
22The Thirumayilai StationMetro (Chennai Suburban Railways) MRTS Line 4Underground
23Mandaiveli StationBus TerminusUnderground
24Greenways RoadNoneUnderground
25Adyar JunctionNoneUnderground
26Adyar Depot StationBus TerminalUnderground
27Indra NagarNoneUnderground
28Thiruvanmiyur StationMRTSUnderground
30Nehru NagarNoneElevated
31Kandanchavadi StationNoneElevated
33Thoraipakkam StationNoneElevated
35P.T.C. ColonyNoneElevated
36Okkiyampet StationNoneElevated
37Karapakkam StationNoneElevated
38Okkiyam ThoraipakkamNoneElevated
39Sholinganallur StationLine 5Elevated
40Sholinganallur Lake 1NoneElevated
41Sholinganallur Lake 2NoneElevated
42Semmancheri 1NoneElevated
43Semmancheri 2NoneElevated
44Gandhi NagarNoneElevated
45Navalur StationNoneElevated
46Siruseri StationNoneElevated
47Siruseri Sipcot 1NoneElevated
48Siruseri Sipcot 2NoneElevated

5. Chennai Metro: Orange Line 4 – Poonamallee Bypass to Lighthouse

One of the three Chennai Metro lines that is still under development is Orange Line 4. The orange line would eventually stretch from the Poonamallee Bypass to the Lighthouse region. There will be 28 stops along the orange line. Ten stations would be subterranean, while the remaining eighteen would be raised.

The Orange Line extension will be more than 26 km long overall. The following stations are on Chennai Metro’s Line 4 route.

Orange Line of Chennai Metro (Under-construction)
Sr NoMetro StationInterconnectionLayoutStatus
2Kutchery RoadNoneUndergroundUnder-construction
3ThirumayilaiMRTS Line 3 (Chennai Metro)UndergroundUnder-construction
5Bharathidasan RoadNoneUndergroundUnder-construction
6Boat ClubNoneUndergroundUnder-construction
7Nandanam Blue LineUndergroundUnder-construction
8Panagal ParkNoneUndergroundUnder-construction
9KodambakkamChennai Suburban RailwaysUndergroundUnder-construction
10Kodambakkam FlyoverNoneUndergroundUnder-construction
11Kodambakkam PowerhouseNoneElevatedUnder-construction
12VadapalaniGreen LineElevatedUnder-construction
14Saligramam WarehouseNoneElevatedUnder-construction
15Alwarthiru NagarLine 5 (Chennai Metro)ElevatedUnder-construction
16ValasaravakkamLine 5 (Chennai Metro)ElevatedUnder-construction
17KarambakkamLine 5 (Chennai Metro)ElevatedUnder-construction
18AlapakkamLine 5 (Chennai Metro)ElevatedUnder-construction
19Porur JunctionLine 5 (Chennai Metro)ElevatedUnder-construction
20Porur BypassNoneElevatedUnder-construction
22IyyapanthangalBus TerminusElevatedUnder-construction
27PoonamalleeBus TerminusElevatedUnder-construction
28Poonamallee BypassNoneElevatedUnder-construction

6. Chennai Metro: Red Line 5 – Madhavaram Milk Colony to Sholinganallur

Red Line 5 of the Chennai Metro is currently under development and will link the Sholinganallur and Madhavaram areas. There will be 48 metro stations along this important metro route. Of the total number of stations, six will be subterranean, one at-grade, and 41 elevated.


Red Line of Chennai Metro (Under-construction)
Sr NoMetro StationInterchangeLayoutStatus
1Madhavaram Milk ColonyLine 3 (Chennai Metro)UndergroundUnder-construction
2Madhavaram DepotNoneAt-gradeUnder-construction
3Assisi NagarNoneElevatedUnder-construction
5Velmurugan NagarNoneElevatedUnder-construction
6Madhavaram Bus TerminalBus TerminalElevatedUnder-construction
7Sastri NagarNoneElevatedUnder-construction
8Retteri JunctionNoneElevatedUnder-construction
9Kolathur JunctionNoneUndergroundUnder-construction
10Srinivasa NagarNoneUndergroundUnder-construction
12Villivakkam Bus TerminusBus TerminalUndergroundUnder-construction
13Villivakkam MTH RoadNoneUndergroundUnder-construction
14Anna Nagar WestBus TerminusElevatedUnder-construction
15Thirumangalam JunctionNoneElevatedUnder-construction
16Anna Nagar K.V.NoneElevatedUnder-construction
17Koyambedu 100 feet RoadNoneElevatedUnder-construction
18Puratchi Thalaivi Dr. J. Jayalalithaa CMBTElevatedUnder-construction
19Koyambedu MarketNoneElevatedUnder-construction
20Natesan NagarNoneElevatedUnder-construction
22Alwarthiru NagarLine 4 (Chennai Metro)ElevatedUnder-construction
23ValasaravakkamLine 4 (Chennai Metro)ElevatedUnder-construction
24KarambakkamLine 4 (Chennai Metro)ElevatedUnder-construction
25AlapakkamLine 4 (Chennai Metro)ElevatedUnder-construction
26Porur JunctionLine 4 (Chennai Metro)ElevatedUnder-construction
30Chennai Trade CentreNoneElevatedUnder-construction
31Butt RoadNoneElevatedUnder-construction
32Aringar Anna AlandurBlue and Green LinesElevatedUnder-construction
33St. Thomas MountMRTSElevatedUnder-construction
42Medavakkam 1NoneElevatedUnder-construction
43Medavakkam 2NoneElevatedUnder-construction
44Medavakkam 3NoneElevatedUnder-construction
46Classical Tamil InstituteNoneElevatedUnder-construction
47Elcot ParkNoneElevatedUnder-construction
48SholinganallurLine 3 (Chennai Metro)ElevatedUnder-construction

7. Chennai Metro: Fares

The fares on the Chennai metro system have been kept affordable, as it was established to assist the general public. The Chennai metro has a minimum fee of Rs. 10 and a maximum charge of Rs. 50. The passenger’s journey distance determines the fee.

8. Chennai Metro Timings

The Chennai metro has made a substantial contribution to everyday commuter travel time reduction. Chennai Metro is now open from 4:30 AM to 11:00 PM. One train departs every 4-5 minutes during rush hour and every 15 minutes during off-peak hours.

9. Upcoming Chennai Metro Routes

  • By 2025, Kodambakkam to Poonamallee will be operational.
  • By December 2024, the 16-kilometer stretch between Kodambakkam and Poonamallee will be finished.
  • Commuters may cover the route in less than 60 minutes when it is finished.
  • Thirteen of the eighteen stations on the route are now undergoing rapid construction.
  • The line runs along a longer 26.1 km stretch that connects Lighthouse and Poonamallee Bypass. Before December 2025, it could be the first to open to the public.
  • Entry and departure points are being built at Valasaravakkam, Alapakkam, Saligramam, Kattupakkam, Thelliagaram, and Poonamallee.
  • There are four stops along the double-decker section of the route, and work has been delayed because a high-voltage subterranean electrical wire is blocking the path of the pillars that are being installed.
  • St. Thomas Mount-Adambakkam Phase 2: Completion by 2027
  • Phase 2 Corridor Five’s St. Thomas Mount-Adambakkam length is expected to be completed by 2027, according to a statement from Chennai Metro Rail Limited. This 4-kilometer segment is one of the most important ones. This section will benefit a large number of Chennai residents.

Frequently Asked Questions (FAQ’s)

1Q: What is CMRL’s full form?

Ans: The CMRL full form is Chennai Metro Rail Corporation.

2Q: Which Metro routes are currently in service in Chennai?

Ans: The Blue Line connects Wimco Nagar to the airport, while the Green Line runs from Chennai Central to St Thomas Mount. These are the city’s operational lines.

3Q: What are the timings of Chennai Metro?

Ans: The Timings of Chennai Metro is 4:30 AM to 11:00 PM.

4Q: When did Metro Start in Chennai?

Ans: The Metro started in Chennai in 2015.

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