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Red Line (Chennai Metro)

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Red Line (Line 5)
Overview
Native nameSivappu vaḻittaṭam
StatusUnder Construction
LocaleChennai, Tamil Nadu, India
Termini
Connecting linesOperational (7):
Blue Line Green Line  Chennai MRTS ,  Chennai Suburban North Line ,  Chennai Suburban West Line , Chennai Suburban West North Line,  Chennai Suburban South Line 
Upcoming (2):
Purple Line Yellow Line
Stations45[a]
Websitechennaimetrorail.org
Service
TypeRapid transit
SystemChennai Metro
OperatorDelhi Metro Rail Corporation[1]
Depot(s)Madhavaram
Pattabiram
Rolling stock
Technical
Line length47[2] km (29 mi)
Number of tracks2
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification25 kV 50 Hz AC overhead catenary
SignallingCBTC Signalling System
Route map

Legend
West Line
Pattabiram Depot
Chennai ORR
Pattabiram
Hindu College
Kasturibai Nagar
Madhavaram Milk Colony Purple Line
Avadi railway station Avadi
Madhavaram Depot
Murugappa College
Assisi Nagar
Vaishnavi Nagar
Manjambakkam
Thirumullaivoyal
Velmurugan Nagar
Stedford Hospital
Bus interchange Madhavaram Bus Terminal
Ambattur OT
Sastri Nagar
Mainline rail interchange Ambattur railway station
Retteri Junction
Ambattur
Kolathur
Dunlop
Srinivasa Nagar
Chennai Bypass Road
Villivakkam
Ambattur Bypass
Mainline rail interchange Villivakkam railway station
Bus interchange Ambattur Estate
Villivakkam Bus Terminus
Vavin 1st Main Road
Villivakkam CTH Road
Golden Colony
Anna Nagar West
Park Road
Thirumangalam Green Line
Padi Pudhu Nagar
Anna Nagar KV
Koyambedu Green Line
Koyambedu Market
 Natesan Nagar
 Virugambakkam North
 Alwarthirunagar Yellow Line
 Valasaravakkam Yellow Line
 Karambakkam Yellow Line
 Alapakkam Junction Yellow Line
 Mugalivakkam
 Ramapuram
 Manapakkam
Adyar River
 Chennai Trade Centre
 Butt Road
Alandur Blue LineGreen Line
Chennai MRTS
St. Thomas Mount Green Line
South Line
Mainline rail interchange
St. Thomas Mount MRTS
St. Thomas Mount railway station
 Adambakkam
Mainline rail interchange Adambakkam MRTS
 Vanuvampet
 Ullagaram
 Madipakkam
 Kilkattalai
 Echangadu
 Kovilambakkam
 Vellakkal
 Medavakkam I
 Medavakkam II
 Perumbakkam
 Classical Tamil Institute
 Elcot
 Sholinganallur Purple Line

The Red Line or Line 5 is one of the under construction lines of Chennai Metro Phase-II stretching from Madhavaram Milk Colony to Sholinganallur. The 47 km (29 mi)-long line will consist of 45 stations,[a] station would be shared between the Purple and Red Lines, and is considered as a single station. out of which six will be underground and 39 will be at grade or elevated. A branch line of corridor five, known as Line 5B, from Koyambedu to Pattabiram has been proposed with its Detailed Project Report approved by Government of Tamil Nadu in May 2025. The 21.76 km (13.52 mi) branch line will consist of 19 elevated stations.

Planning and construction

[edit]

Phase II

[edit]

The construction of the first phase of Chennai Metro started in June 2009.[3] Commercial operations started on the green line in June 2015.[4][5][6] On 10 February 2019, the extension of blue line was opened, completing the first phase of the metro.[7]

In July 2016, Government of Tamil Nadu announced that the second phase would have three lines totaling 104 km (65 mi) in length with 104 stations.[8][9] Two corridors would extend from Madhavaram connecting with Siruseri and Sholinganallur respectively (lines 3 and 5) with the third corridor connecting Koyambedu with Lighthouse (line 4). The fifth line connecting Madhavaram Milk Colony and Sholinganallur will extend to 47 km (29 mi) of which 41.2 km (25.6 mi) would be elevated and 5.8 km (3.6 mi) underground. It will consist of 48 stations including six undergrounds stations.[10][11] The stations for the second phase were designed to be smaller than the existing stations operational in the first phase.[12]

On 20 November 2020, foundation stone for the second phase was laid and construction commenced.[13] In November 2022, Alstom was awarded the contract to supply metro coaches for the phase II expansion.[14] In May 2023, CMRL announced a revised plan for the second phase revising the station count on the fifth line to 45.8[a] As per the final plan, the line will extend for 47 km (29 mi).[2]

Chennai Metro - Phase II[15]
Line Name Terminals Length (km) Stations Status
Red Line Madhavaram Milk Colony Sholinganallur 47 45 Under construction

The second phase is estimated to cost ₹632.46 billion (US$6.6 billion) of which initially ₹47.1 billion (US$490 million) was loaned by Japan International Cooperation Agency.[10][16][17] On 14 February 2021, the Prime Minister of India announced that the government has set aside ₹630 billion (US$6.5 billion) for the construction of phase II and further extension.[18] The line is expected to be completed by 2028.[19]

Phase II extension

[edit]

In 2022, the state government proposed a branch extension for the fifth line from Koyambedu to Avadi, covering an approximate 16.1 km (10.0 mi).[20] In early 2024, feasibility report was submitted by CMRL for the proposed expansion of the line, green lighting the same.[21] It was later decided to extend the line till Pattabiram. The Detailed Project Report was approved by the Government of Tamil Nadu in May 2025 and forwarded to the Government of India for final approval. A depot near Pattabiram stretch of Outer Ring Road is also planned as a part of the expansion.[22][23]

Chennai Metro - Phase II Extension - Line 5B[21][23]
Line Terminals Length Stations Status
Red Line Koyambedu Pattabiram 21.76 km (13.52 mi) 19 DPR approved

Stations

[edit]
Red Line
S.No Station Name[15] Expected Opening[24] Connections Layout
English Tamil
1Madhavaram Milk Colonyமாதவரம் பால் பண்ணை December 2028Purple Line (Under Construction)Underground
2Madhavaram Depotமாதவரம் பணிமனை December 2028At-grade
3Assisi Nagarஅசிசி நகர் December 2028Elevated
4Manjambakkamமஞ்சம்பாக்கம் December 2028 Elevated
5Velmurugan Nagarவேல்முருகன் நகர் December 2028 Elevated
6Madhavaram Bus Terminusமாதவரம் பேருந்து நிலையம் December 2028Bus interchange Madhavaram Mofussil Bus Terminus Elevated
7Shastri Nagar, Chennaiசாஸ்திரி நகர் December 2028 Elevated
8Retteri Junctionரெட்டேரி சந்திப்பு December 2028 Elevated
9Kolathur Junctionகொளத்தூர் சந்திப்பு December 2028Underground
10Srinivasa Nagarசீனிவாச நகர் December 2028 Underground
11Villivakkamவில்லிவாக்கம் December 2028up Villivakkam

(West Line)

 Underground
12Villivakkam Bus Terminusவில்லிவாக்கம் பேருந்து நிலையம் December 2028 Underground
13Villivakkam CTH Roadவில்லிவாக்கம் சி.டி.எச் சாலை December 2028 Underground
14Anna Nagar Westஅண்ணா நகர் மேற்கு December 2028Elevated
15Thirumangalamதிருமங்கலம் December 2028Green Line Elevated
16Anna Nagar KVஅண்ணா நகர் கே.வி December 2028 Elevated
17Koyambeduகோயம்பேடு March 2027Green Line Elevated
18Koyambedu Marketகோயம்பேடு அங்காடி March 2027 Elevated
19Natesan Nagarநடேசன் நகர் March 2027 Elevated
20Virugambakkamவிருகம்பாக்கம் March 2027 Elevated
21Alwarthirunagarஆழ்வார்திருநகர் March 2027Yellow Line (Under Construction) Elevated
22Valasaravakkamவளசரவாக்கம் March 2027 Yellow Line (Under Construction) Elevated
23Karambakkamகாரம்பாக்கம் March 2027 Yellow Line (Under Construction) Elevated
24Alapakkam Junctionஆலப்பாக்கம் சந்திப்பு March 2027 Yellow Line (Under Construction) Elevated
25Mugalivakkamமுகலிவாக்கம் March 2027 Elevated
26Ramapuramராமாபுரம் March 2027 Elevated
27Manapakkamமணப்பாக்கம் March 2027 Elevated
28Chennai Trade Centreசென்னை வர்த்தக மையம் March 2027 Elevated
29Butt Roadபட் சாலை March 2027 Elevated
30Alandurஆலந்தூர் March 2027Blue Line
Green Line		 Elevated
31St. Thomas Mountபரங்கிமலை December 2027Green Line
up St. Thomas Mount

(South Line)
up St. Thomas Mount

(Chennai MRTS)

 Elevated
32Adambakkamஆதம்பாக்கம் December 2027up Adambakkam

(Chennai MRTS)[§]

 Elevated
33Vanuvampetவானுவம்பேட்டை December 2027 Elevated
34Ullagaramஉள்ளகரம் December 2027 Elevated
35Madipakkamமடிப்பாக்கம் December 2027 Elevated
36Kilkattalaiகீழ்க்கட்டளை December 2027 Elevated
37Echangaduஈச்சங்காடு December 2027 Elevated
38Kovilambakkamகோவிலம்பாக்கம் December 2027 Elevated
39Vellakkalவெள்ளக்கல் December 2027 Elevated
40Medavakkam Iமேடவாக்கம் I December 2027 Elevated
41Medavakkam IIமேடவாக்கம் II December 2027 Elevated
42Perumbakkamபெரும்பாக்கம் December 2027 Elevated
43Classical Tamil Instituteசெம்மொழித் தமிழாய்வு நிறுவனம் December 2027 Elevated
44Elcotஎல்காட் December 2027 Elevated
45Sholinganallurசோழிங்கநல்லூர் December 2027Purple Line (Under Construction) Elevated
46Padi Pudhu Nagar*பாடி புதுநகர் TBA TBA
47Park Road*பூங்கா சாலை
48Golden Colony*கோல்டன் காலனி
49Vavin 1st Main road*வாவின் முதல் பிரதான சாலை
50Ambattur Estate*அம்பத்தூர் தொழிற்பேட்டைBus interchange Ambattur Estate Bus Terminus
51Ambattur Bypass*அம்பத்தூர் புறவழிச்சாலை
52Dunlop*டன்லப்
53Ambattur*அம்பத்தூர்up Ambattur
(West Line)
54Ambattur OT*அம்பத்தூர் ஒ.டி.
55Stedford Hospital*ஸ்டெட்போர்டு மருத்துவமனை
56Thirumullaivoyal*திருமுல்லைவாயல்
57Vaishnavi Nagar*வைஷ்ணவி நகர்
58Murugappa College*முருகப்பா கல்லூரி
59Avadi*ஆவடிup Avadi (West Line)
Bus interchange Avadi Bus Terminus
60Kasturibai Nagar*கஸ்தூரிபாய் நகர்
61Hindu College*இந்து கல்லூரிup Hindu College
(West Line)
62Pattabiram*பட்டாபிராம்
63Pattabiram Outer Ring Road*பட்டாபிராம் வெளிவட்ட சாலை

§ under construction

* - To Be Confirmed

See also

[edit]

Notes

[edit]
  1. 1 2 3 Madhavaram Milk Colony station would be shared between the Red and Purple Lines, and the existing The existing Koyambedu station on the Green Line will accommodate the Red Line as well.

References

[edit]
  1. ↑ Sampath, Nirupa (3 April 2025). "Chennai Metro Rail outsources phase 2 to Delhi Metro". DT Next. Retrieved 18 April 2025.
  2. 1 2 "Chennai metro scraps nine stations in phase 2". The Times of India. 14 May 2023. Retrieved 1 May 2024.
  3. ↑ "Work commences on Chennai Metro". Projects Today. 11 June 2009. Archived from the original on 25 August 2017. Retrieved 16 August 2010.
  4. ↑ "Chennai Metro one stop short of dream run". Deccan Chronicle. 31 August 2014. Archived from the original on 4 March 2016. Retrieved 6 June 2016.
  5. ↑ "Conditional clearance for Metro Rail". The Hindu. 28 April 2015. Archived from the original on 14 January 2016. Retrieved 7 June 2016.
  6. ↑ Chennai Metro Newsletter - August 2015 (PDF) (Report). Chennai Metro. 29 June 2015. Archived (PDF) from the original on 20 October 2023. Retrieved 7 June 2023.
  7. ↑ Simhan, TE Raja (10 February 2019). "PM Modi inaugurates Chennai Metro Rail's final leg". The Hindu Businessline. Archived from the original on 26 October 2020. Retrieved 13 February 2019.
  8. ↑ Sekar, Sunitha (2 August 2016). "1800 km, 180 stations: Unveiling Phase II of Metro". The Hindu. Archived from the original on 26 December 2016. Retrieved 24 January 2017.
  9. ↑ Sekar, Sunitha. "Detailed project report for Phase II of Metro Rail ready". The Hindu. Archived from the original on 27 December 2016. Retrieved 24 January 2017.
  10. 1 2 "Project status of Chennai Metro". Chennai Metro Rail Limited. Archived from the original on 26 September 2016. Retrieved 16 August 2010.
  11. ↑ "Metro's second phase to go up to Poonamallee". The Hindu. 20 July 2017. Archived from the original on 26 February 2020. Retrieved 1 October 2017.
  12. ↑ U, Tejonmayam (28 December 2016). "Chennai: Metro rail to trim stations under phase 2". The Times of India. Archived from the original on 8 February 2017. Retrieved 24 January 2017.
  13. ↑ "Amit Shah to lay foundation for Chennai Metro's phase II project". The Hindu. 17 November 2020. Archived from the original on 28 April 2024. Retrieved 1 December 2023.
  14. ↑ "Alstom wins €98 million contract to design and manufacture 78 metro coaches for Chennai Metro Phase-II" (Press release). Alstom. 11 November 2022. Archived from the original on 16 December 2023. Retrieved 1 December 2023.
  15. 1 2 Chennai Metro rail phase II (PDF) (Report). Chennai Metro Rail Limited. Retrieved 1 May 2024.
  16. ↑ "Phase-II Chennai metro project to cost Rs 36,000 cr". Business Standard. 2 March 2014. Archived from the original on 16 December 2023. Retrieved 1 December 2023.
  17. ↑ "JICA extends ODA Loan of INR 4710 Cr for Chennai Metro Rail Project Phase 2 (II)". Japan International Cooperation Agency. 21 June 2022. Archived from the original on 16 December 2023. Retrieved 1 December 2023.
  18. ↑ Dipak K, Dash. "Ground work for Chennai metro rail phase-2 hit". Times of India. Archived from the original on 18 February 2021. Retrieved 19 February 2021.
  19. ↑ "Metro Rail second phase likely to be completed in six years". The New Indian Express. 26 April 2019. Retrieved 26 April 2019.
  20. ↑ "Detailed feasibility report for Chennai Metro Rail's Phase 2 extension to be ready in three months". The Hindu. 26 March 2023. Archived from the original on 28 April 2024. Retrieved 1 December 2023.
  21. 1 2 "CMRL submits Detailed Feasibility Reports for Phase II project extension". The Financial Express. 22 September 2023. Archived from the original on 29 April 2024. Retrieved 30 April 2024.
  22. ↑ Sundaram, Ram (2 May 2025). "TN govt gives in-principle nod for Chennai Metro link from Koyambedu to Pattabiram". The Times of India. Retrieved 2 May 2025.
  23. 1 2 "Chennai Metro Rail submits DPR for 21.76 km extension from Koyambedu to Pattabiram". The New Indian Express. 22 February 2025. Retrieved 22 February 2025.
  24. ↑ Sekar, Sunitha (20 January 2024). "Work on elevated stretches of corridor 5 of Metro Rail phase II project gains momentum". The Hindu. ISSN 0971-751X. Retrieved 22 March 2025.
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