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{{Short description|Transit line in Tamil Nadu, India}}
{{Use dmy dates|date=June 2021}}
{{Use Indian English|date=June 2021}}
{{Infobox rail line
| name = Purple Line (Line 3)
| other_name =
| native_name = Oodhā vaḻittaṭam
| native_name_lang = ta
| color = 800080
| image =
| image_width =
| caption =
| type = [[Rapid transit]]
| system = [[Chennai Metro]]
| status = Under construction
| locale =
| start = [[Madhavaram Milk Colony]]
| end = [[SIPCOT IT Park|Siruseri SIPCOT 2]]
| connectinglines = '''''Operational''''' (5): {{rcb|Chennai Metro|Blue|croute}} {{rcb|Chennai Metro|Green|croute}} {{rbox|Chennai MRTS|Chennai Mass Rapid Transit System|#{{rail color|Chennai MRTS|1}}}}, {{rbox|Chennai Suburban West Line|West Line, Chennai Suburban|#{{rail color|Chennai Suburban|West}}}}, {{rbox|Chennai Suburban South Line|South Line, Chennai Suburban|#{{rail color|Chennai Suburban|South}}}} '''''Upcoming''''' (2): {{rcb|Chennai Metro|Red|croute}} {{rcb|Chennai Metro|Yellow|croute}}
| stations = 48{{efn|name=Share|{{stl|Chennai Metro|Madhavaram Milk Colony}} station would be shared between the Purple and [[Red Line (Chennai Metro)|Red Line]]s, and is considered as a single station.}}
| daily_ridership =
| planopen = {{start date and age|2027|3|df=y}} <ref name=purpleLineDt>{{cite web|title=Chennai Metro Rail PROJECT STATUS|url= https://chennaimetrorail.org/project-status/#:~:text=This%20proposal%20is%20under%20the,JICA%20as%20State%20Sector%20Project.|publisher=[[Chennai Metro]]|access-date=11 August 2025}}</ref> {{start date and age|2027|12|df=y}} <ref name=purpleLineFullDt>{{cite web|title=Chennai Metro Rail PROJECT BRIEF|url= https://chennaimetrorail.org/project-brief/|publisher=[[Chennai Metro]]|access-date=24 March 2026}}</ref>
| open =
| close =
| operator = [[Delhi Metro Rail Corporation]]<ref>{{cite news|last=Sampath|first=Nirupa|title=Chennai Metro Rail outsources phase 2 to Delhi Metro|url=https://www.dtnext.in/news/chennai/cmrl-outsources-phase-2-to-delhi-metro-tamil-quota-to-go-828697|publisher=DT Next|date=3 April 2025|access-date=18 April 2025}}</ref>
| character = {{cvt|26.7|km}} Underground {{cvt|19.1|km}} Elevated
| depot = Semmancheri Madhavaram
| stock = {{ hlist|[[Alstom Metropolis|Alstom]] |[[BEML]] }}
| linelength_km = 45.8<ref name="Scrap">{{cite news|url=https://timesofindia.indiatimes.com/city/chennai/chennai-metro-scraps-nine-stations-in-phase-2/articleshow/100219302.cms|title=Chennai metro scraps nine stations in phase 2|date=14 May 2023|work=[[The Times of India]]|access-date=1 May 2024|archive-date=2 June 2024|archive-url=https://web.archive.org/web/20240602084647/https://timesofindia.indiatimes.com/city/chennai/chennai-metro-scraps-nine-stations-in-phase-2/articleshow/100219302.cms|url-status=live}}</ref>
| tracklength =
| tracks = 2
| gauge = {{Track gauge|sg|allk=on}}
| electrification = {{25 kV 50 Hz}} [[Overhead line|overhead catenary]]
| signalling = [[Communications-based train control|CBTC Signalling System]]
| speed_km/h = 80
| elevation =
| map_state = collapsed
| map = {{Chennai Metro Purple Line Route}}
}}

The '''Purple Line''' or '''Line 3''' is one of the under construction lines of [[Chennai Metro]] Phase-II stretching from [[Madhavaram Milk Colony]] to [[SIPCOT IT Park|Siruseri SIPCOT 2]]. The {{cvt|45.4|km}} long line will consist of 48 stations, out of which 28 will be underground and 20 will be at grade or elevated.{{efn|name=Share}}

== Planning and construction ==
=== Phase II ===
The construction of the first phase of [[Chennai Metro]] started in June 2009.<ref>{{cite news|url=https://www.projectstoday.com/News/Work-commences-on-Chennai-metro|title=Work commences on Chennai Metro|publisher=Projects Today|date=11 June 2009|access-date=16 August 2010|archive-date=25 August 2017|archive-url=https://web.archive.org/web/20170825214006/http://www.projectstoday.com/News/Work-commences-on-Chennai-metro|url-status=live}}</ref> Commercial operations started on the [[Green Line (Chennai Metro)|green line]] in June 2015.<ref>{{cite news|url=https://www.deccanchronicle.com/140904/nation-current-affairs/article/chennai-metro-one-stop-short-dream-run|title=Chennai Metro one stop short of dream run|newspaper=[[Deccan Chronicle]]|date=31 August 2014|access-date=6 June 2016|archive-date=4 March 2016|archive-url=https://web.archive.org/web/20160304035707/http://www.deccanchronicle.com/140904/nation-current-affairs/article/chennai-metro-one-stop-short-dream-run|url-status=live}}</ref><ref>{{cite news|url=http://www.thehindu.com/news/cities/chennai/conditional-clearance-for-metro-rail/article7155672.ece|title=Conditional clearance for Metro Rail|newspaper=[[The Hindu]]|date=28 April 2015|access-date=7 June 2016|archive-date=14 January 2016|archive-url=https://web.archive.org/web/20160114064544/http://www.thehindu.com/news/cities/chennai/conditional-clearance-for-metro-rail/article7155672.ece|url-status=live}}</ref><ref>{{cite report|url=https://chennaimetrorail.org/wp-content/uploads/2015/11/CMRL-l-Newsletter-l-Aug-2015-l-Final-PDF.pdf|title=Chennai Metro Newsletter - August 2015|publisher=Chennai Metro|date=29 June 2015|access-date=7 June 2023|archive-date=20 October 2023|archive-url=https://web.archive.org/web/20231020114202/https://chennaimetrorail.org/wp-content/uploads/2015/11/CMRL-l-Newsletter-l-Aug-2015-l-Final-PDF.pdf|url-status=live}}</ref> On 10 February 2019, the extension of [[Blue Line (Chennai Metro)|blue line]] was opened, completing the first phase of the metro.<ref>{{cite news|url=https://www.thehindubusinessline.com/news/national/pm-modi-inaugurates-chennai-metro-rails-final-leg/article26229980.ece|title=PM Modi inaugurates Chennai Metro Rail's final leg|last=Simhan|first=TE Raja|work=The Hindu Businessline|date=10 February 2019|access-date=13 February 2019|archive-date=26 October 2020|archive-url=https://web.archive.org/web/20201026014616/https://www.thehindubusinessline.com/news/national/pm-modi-inaugurates-chennai-metro-rails-final-leg/article26229980.ece|url-status=live}}</ref>

In July 2016, [[Government of Tamil Nadu]] announced that the second phase would have three lines totaling {{cvt|104|km}} in length with 104 stations.<ref>{{cite news|url=http://www.thehindu.com/news/cities/chennai/104-km-104-stations-Unveiling-Phase-II-of-Metro/article14549167.ece|title=1800 km, 180 stations: Unveiling Phase II of Metro|last=Sekar|first=Sunitha|date=2 August 2016|newspaper=[[The Hindu]]|access-date=24 January 2017|archive-date=26 December 2016|archive-url=https://web.archive.org/web/20161226164406/http://www.thehindu.com/news/cities/chennai/104-km-104-stations-Unveiling-Phase-II-of-Metro/article14549167.ece|url-status=live}}</ref><ref>{{cite news|url=http://www.thehindu.com/news/cities/chennai/Detailed-project-report-for-Phase-II-of-Metro-Rail-ready/article16947271.ece|title=Detailed project report for Phase II of Metro Rail ready|last=Sekar|first=Sunitha|newspaper=[[The Hindu]]|access-date=24 January 2017|archive-date=27 December 2016|archive-url=https://web.archive.org/web/20161227130634/http://www.thehindu.com/news/cities/chennai/Detailed-project-report-for-Phase-II-of-Metro-Rail-ready/article16947271.ece|url-status=live}}</ref> Two corridors would extend from [[Madhavaram, Chennai|Madhavaram]] connecting with [[Siruseri]] and [[Sholinganallur]] respectively (lines 3 and 5) with the third corridor connecting [[Koyambedu]] with [[Lighthouse, Chennai|Lighthouse]] (line 4). The third line connecting [[Madhavaram Milk Colony]] and [[SIPCOT IT Park|Siruseri SIPCOT]] will extend to {{cvt|45.8|km}} of which {{cvt|19.1|km}} would be [[elevated]] and {{cvt|26.7|km}} [[underground rail|underground]]. It will consist of 50 stations including 30 undergrounds stations.<ref name="Proj">{{cite web|url=https://chennaimetrorail.org/project-status/|title=Project status of Chennai Metro|publisher=Chennai Metro Rail Limited|access-date=16 August 2010|archive-date=26 September 2016|archive-url=https://web.archive.org/web/20160926171710/http://chennaimetrorail.org/project-status/|url-status=live}}</ref><ref>{{cite news|title=Metro's second phase to go up to Poonamallee|newspaper=[[The Hindu]]|date=20 July 2017|url=http://www.thehindu.com/news/cities/chennai/metros-second-phase-to-go-up-to-poonamallee/article19310471.ece|access-date=1 October 2017|archive-date=26 February 2020|archive-url=https://web.archive.org/web/20200226092631/http://www.thehindu.com/news/cities/chennai/metros-second-phase-to-go-up-to-poonamallee/article19310471.ece|url-status=live}}</ref> The stations for the second phase were designed to be smaller than the existing stations operational in the first phase.<ref>{{cite news|last=U|first=Tejonmayam|url=http://timesofindia.indiatimes.com/city/chennai/chennai-metro-rail-to-trim-stations-under-phase-2/articleshow/56226400.cms|title=Chennai: Metro rail to trim stations under phase 2|newspaper=[[The Times of India]]|date=28 December 2016|access-date=24 January 2017|archive-date=8 February 2017|archive-url=https://web.archive.org/web/20170208051107/http://timesofindia.indiatimes.com/city/chennai/chennai-metro-rail-to-trim-stations-under-phase-2/articleshow/56226400.cms|url-status=live}}</ref>

On 20 November 2020, foundation stone for the second phase was laid and construction commenced.<ref>{{cite news|url=https://www.thehindu.com/news/national/tamil-nadu/amit-shah-to-lay-foundation-for-chennai-metros-phase-ii-project/article33111023.ece|title=Amit Shah to lay foundation for Chennai Metro's phase II project|date=17 November 2020|access-date=1 December 2023|newspaper=[[The Hindu]]|archive-date=28 April 2024|archive-url=https://web.archive.org/web/20240428064943/https://www.thehindu.com/news/national/tamil-nadu/amit-shah-to-lay-foundation-for-chennai-metros-phase-ii-project/article33111023.ece|url-status=live}}</ref> In November 2022, Alstom was awarded the contract to supply metro coaches for the phase II expansion.<ref>{{cite press release|url=https://www.alstom.com/press-releases-news/2022/11/alstom-wins-eu98-million-contract-design-and-manufacture-78-metro-coaches-chennai-metro-phase-ii|title=Alstom wins €98 million contract to design and manufacture 78 metro coaches for Chennai Metro Phase-II|date=11 November 2022|publisher=Alstom|access-date=1 December 2023|archive-date=16 December 2023|archive-url=https://web.archive.org/web/20231216121324/https://www.alstom.com/press-releases-news/2022/11/alstom-wins-eu98-million-contract-design-and-manufacture-78-metro-coaches-chennai-metro-phase-ii|url-status=live}}</ref> In May 2023, CMRL announced a revised plan for the second phase, with the line extending for {{cvt|45.4|km}}, and a revised station count of 48 stations.{{efn|name=Share}}<ref name="Scrap"/><ref>{{cite press release|url=https://chennaimetrorail.org/wp-content/uploads/2023/06/Press-Release-07.06.2023-English.pdf|title=Phase II– S98 (Anaimalai) TBM Breakthrough at Venugopal Nagar Shaft|date=7 June 2023|work=[[Chennai Metro Rail Limited]]|access-date=1 May 2024}}</ref>

{|class="wikitable sortable" style="font-size:90%;"
|+Chennai Metro - Phase II<ref name="Map">{{cite report|url=https://chennaimetrorail.org/wp-content/uploads/2015/11/Phase-II-Updated-Map.pdf|title=Chennai Metro rail phase II|publisher=[[Chennai Metro Rail Limited]]|access-date=1 May 2024}}</ref>
|-
!Line Name
!colspan="2"|Terminals
!Length (km)
!Stations
!Status
|-
|style="background:#{{rail color|Chennai Metro|Purple}};|Purple Line
|[[Madhavaram, Chennai|Madhavaram]]
|[[SIPCOT IT Park|Siruseri SIPCOT 2]]
|style="text-align:center;"|45.8
|style="text-align:center"|48{{efn|name=Share}}
|Under construction
|}

The second phase is estimated to cost {{INRconvert|632.46|b}} of which initially {{INRconvert|47.10|b}} was loaned by [[Japan International Cooperation Agency]].<ref name="Proj"/><ref>{{cite news|url=https://www.business-standard.com/article/current-affairs/phase-ii-chennai-metro-project-to-cost-rs-36-000-cr-114022800932_1.html|title=Phase-II Chennai metro project to cost Rs 36,000 cr|date=2 March 2014|access-date=1 December 2023|newspaper=Business Standard|archive-date=16 December 2023|archive-url=https://web.archive.org/web/20231216121325/https://www.business-standard.com/article/current-affairs/phase-ii-chennai-metro-project-to-cost-rs-36-000-cr-114022800932_1.html|url-status=live}}</ref><ref>{{cite news|url=https://www.jica.go.jp/Resource/india/english/office/topics/press220331_03.html|title=JICA extends ODA Loan of INR 4710 Cr for Chennai Metro Rail Project Phase 2 (II)|date=21 June 2022|access-date=1 December 2023|work=[[Japan International Cooperation Agency]]|archive-date=16 December 2023|archive-url=https://web.archive.org/web/20231216121327/https://www.jica.go.jp/Resource/india/english/office/topics/press220331_03.html|url-status=live}}</ref> On 14 February 2021, the [[Prime Minister of India]] announced that the government has set aside {{INRconvert|630|b}} for the construction of phase II and further extension.<ref>{{cite news|url=https://timesofindia.indiatimes.com/city/chennai/ground-work-for-chennai-metro-rail-phase-2-hit/articleshow/80918239.cms|title=Ground work for Chennai metro rail phase-2 hit|last=Dipak K|first=Dash|work=[[Times of India]]|access-date=19 February 2021|archive-date=18 February 2021|archive-url=https://web.archive.org/web/20210218192218/http://timesofindia.indiatimes.com/city/chennai/ground-work-for-chennai-metro-rail-phase-2-hit/articleshow/80918239.cms|url-status=live}}</ref>

=== Phase II extension ===
In 2022, the state government proposed an extension plan for the third line from Siruseri to [[Kilambakkam]], covering an approximate {{cvt|25|km}}.<ref name="P2">{{cite news|url=https://www.thehindu.com/news/cities/chennai/detailed-feasibility-report-for-chennai-metro-rails-phase-2-extension-to-be-ready-in-three-months/article66664484.ece|title=Detailed feasibility report for Chennai Metro Rail's Phase 2 extension to be ready in three months|date=26 March 2023|newspaper=[[The Hindu]]|access-date=1 December 2023|archive-date=28 April 2024|archive-url=https://web.archive.org/web/20240428075613/https://www.thehindu.com/news/cities/chennai/detailed-feasibility-report-for-chennai-metro-rails-phase-2-extension-to-be-ready-in-three-months/article66664484.ece|url-status=live}}</ref> In September 2023, feasibility report was submitted by CMRL for the proposed expansion of the line, green lighting the same.<ref name="FE">{{cite news|url=https://www.financialexpress.com/business/infrastructure-chennai-metro-cmrl-submits-detailed-feasibility-reports-for-phase-ii-project-extension-a-progress-report-3251256/|title=CMRL submits Detailed Feasibility Reports for Phase II project extension|newspaper=[[The Financial Express (India)|The Financial Express]]|date=22 September 2023|access-date=30 April 2024|archive-date=29 April 2024|archive-url=https://web.archive.org/web/20240429192946/https://www.financialexpress.com/business/infrastructure-chennai-metro-cmrl-submits-detailed-feasibility-reports-for-phase-ii-project-extension-a-progress-report-3251256/|url-status=live}}</ref> The extension was scrapped due to patronage and profitability concerns.<ref name="GH">{{cite news|url=https://www.timesnownews.com/chennai/chennai-siruseri-kilambakkam-bus-terminus-metro-plans-dropped-deemed-non-feasible-article-109979552|title=Metro from Siruseri- Kilambakkam Bus Terminus Metro Plans Dropped, deemed non-feasible|newspaper=[[Times Now]]|date=9 May 2024|access-date=11 May 2024|archive-date=11 May 2024|archive-url=https://web.archive.org/web/20240511082443/https://www.timesnownews.com/chennai/chennai-siruseri-kilambakkam-bus-terminus-metro-plans-dropped-deemed-non-feasible-article-109979552|url-status=live}}</ref>

== Stations ==
{|class="wikitable"style="text-align:center;margin:auto;
|-
!align="center" colspan="6" style="background:Purple;" | '''Purple Line'''
|-
! rowspan="2"|S.No
! colspan="2"|Station Name<ref name="Map"/>
! rowspan="2" |Expected Opening
! rowspan="2" |Connections
! rowspan="2"|Station Layout
|-
! [[English language|English]]
![[Tamil language|Tamil]]
|-
|1||{{stl|Chennai Metro|Madhavaram Milk Colony}}||மாதவரம் பால் பண்ணை||December 2027|| {{rcb|Chennai Metro|Red|croute}} (''Under Construction'')||Underground
|-
|2||{{stl|Chennai Metro|Madhavaram High Road}}||மாதவரம் நெடுஞ்சாலை
|December 2027||
|Underground
|-
|3||{{stl|Chennai Metro|Moolakadai}}||மூலக்கடை
|December 2027||
|Underground
|-
|4||{{stl|Chennai Metro|Sembiyum}}||செம்பியம்
|December 2027||
|Underground
|-
|5||{{stl|Chennai Metro|Perambur Market}}||பெரம்பூர் அங்காடி
|December 2027||
|Underground
|-
|6||{{stl|Chennai Metro|Perambur}}||பெரம்பூர்
|December 2027||
[[File:Indian_Railways_Suburban_Railway_Logo.svg|link=Chennai_Suburban_Railway|20x20px|up]] [[Perambur railway station|Perambur]] ([[West Line, Chennai Suburban|West Line]])
|Underground
|-
|7||{{stl|Chennai Metro|Ayanavaram}}||அயனாவரம்
|December 2027||Ayanavaram MTC Bus Depot
|Underground
|-
|8||{{stl|Chennai Metro|Otteri}}||ஓட்டேரி
|December 2027||
|Underground
|-
|9||{{stl|Chennai Metro|Pattalam}}||பட்டாளம்
|December 2027||
|Underground
|-
|10||{{stl|Chennai Metro|Perambur Barracks Road}}||பெரம்பூர் பேரக்ஸ் சாலை
|December 2027||
|Underground
|-
|11||{{stl|Chennai Metro|Purasaiwakkam}}||புரசைவாக்கம்
|December 2027||
|Underground
|-
|12||{{stl|Chennai Metro|Kellys}}||கெல்லீஸ்
|December 2027||
|Underground
|-
|13||{{stl|Chennai Metro|Kilpauk}}||கீழ்ப்பாக்கம்
|December 2027||{{rcb|Chennai Metro|Green|croute}}
|Underground
|-
|14||{{stl|Chennai Metro|Chetpet}}||சேத்துப்பட்டு
|December 2027||
[[File:Indian_Railways_Suburban_Railway_Logo.svg|link=Chennai_Suburban_Railway|20x20px|up]] [[Chetpet railway station|Chetpet]] ([[South Line, Chennai Suburban|South Line]])
|Underground
|-
|15||{{stl|Chennai Metro|Sterling Road}}||ஸ்டெர்லிங் சாலை
|December 2027||
|Underground
|-
|16||{{stl|Chennai Metro|Nungambakkam}}||நுங்கம்பாக்கம்
|December 2027||
|Underground
|-
|17||{{stl|Chennai Metro|Anna Flyover}}||அண்ணா மேம்பாலம்
|December 2027||
|Underground
|-
|18||{{stl|Chennai Metro|Thousand Lights}}||ஆயிரம் விளக்கு
|December 2027||{{rcb|Chennai Metro|Blue|croute}}
|Underground
|-
|19||{{stl|Chennai Metro|Royapettah}}||ராயப்பேட்டை
|December 2027||
|Underground
|-
|20||{{stl|Chennai Metro|Dr. Radhakrishnan Salai}}||டாக்டர் ராதாகிருஷ்ணன் சாலை
|December 2027||
|Underground
|-
|21||{{stl|Chennai Metro|Thirumayilai}}||திருமயிலை
|December 2027||[[File:Indian_Railways_Suburban_Railway_Logo.svg|link=Chennai_MRTS|20x20px|up]] [[Thirumayilai railway station|Thirumayilai]]
([[Chennai Mass Rapid Transit System|Chennai MRTS]]) {{rcb|Chennai Metro|Yellow|croute}} (''Under Construction'')
|Underground
|-
|22||{{stl|Chennai Metro|Mandaiveli}}||மந்தைவெளி
|December 2027||
|Underground
|-
|23||{{stl|Chennai Metro|Greenways Road}}||பசுமைவழிச் சாலை
|December 2027||
|Underground
|-
|24||{{stl|Chennai Metro|Adyar Junction}}||அடையாறு சந்திப்பு
|December 2027||
|Underground
|-
|25||{{stl|Chennai Metro|Adyar Depot}}||அடையாறு பணிமனை
|December 2027||
|Underground
|-
|26||[[Chennai Indira Nagar metro station|Indira Nagar]]||இந்திரா நகர்
|December 2027|| [[File:Indian_Railways_Suburban_Railway_Logo.svg|link=Chennai_MRTS|20x20px|up]] [[Indira Nagar railway station|Indira Nagar]]
([[Chennai Mass Rapid Transit System|Chennai MRTS]])
|Underground
|-
|27||{{stl|Chennai Metro|Thiruvanmiyur}}||திருவான்மியூர்
|December 2027||[[File:Indian_Railways_Suburban_Railway_Logo.svg|link=Chennai_MRTS|20x20px|up]] [[Thiruvanmiyur railway station|Thiruvanmiyur]]
([[Chennai Mass Rapid Transit System|Chennai MRTS]])
|Underground
|-
|28||{{stl|Chennai Metro|Taramani}}||தரமணி
|December 2027||
|Underground
|-
|29||{{stl|Chennai Metro|Nehru Nagar}}||நேரு நகர்
|March 2027|| ||Elevated
|-
|30||{{stl|Chennai Metro|Kandanchavadi}}||கந்தன்சாவடி
|March 2027||
|Elevated
|-
|31||{{stl|Chennai Metro|Perungudi}}||பெருங்குடி
|March 2027||
|Elevated
|-
|32||{{stl|Chennai Metro|Thoraipakkam}}||துரைப்பாக்கம்
|March 2027||
|Elevated
|-
|33||{{stl|Chennai Metro|Mettukuppam}}||மேட்டுக்குப்பம்
|March 2027||
|Elevated
|-
|34||{{stl|Chennai Metro|PTC Colony}}||பி.டி.சி. காலனி
|March 2027||
|Elevated
|-
|35||{{stl|Chennai Metro|Okkiyampet}}||ஒக்கியம்பேட்டை
|March 2027||
|Elevated
|-
|36||{{stl|Chennai Metro|Karapakkam}}||காரப்பாக்கம்
|March 2027||
|Elevated
|-
|37||{{stl|Chennai Metro|Okkiyam Thoraipakkam}}||ஒக்கியம் துரைப்பாக்கம்
|March 2027||
|Elevated
|-
|38||{{stl|Chennai Metro|Sholinganallur}}||சோழிங்கநல்லூர்
|March 2027||{{rcb|Chennai Metro|Red|croute}} (''Under Construction'')
|Elevated
|-
|39||{{stl|Chennai Metro|Sholinganallur Lake I}}||சோழிங்கநல்லூர் ஏரி I
|March 2027||
|Elevated
|-
|40||{{stl|Chennai Metro|Sholinganallur Lake II}}||சோழிங்கநல்லூர் ஏரி II
|March 2027||
|Elevated
|-
|41||{{stl|Chennai Metro|Semmancheri Depot}}||செம்மஞ்சேரி பணிமனை
|March 2027||
|Elevated
|-
|42||{{stl|Chennai Metro|Semmancheri I}}||செம்மஞ்சேரி I
|March 2027||
|Elevated
|-
|43||{{stl|Chennai Metro|Semmancheri II}}||செம்மஞ்சேரி II
|March 2027||
|Elevated
|-
|44||{{stl|Chennai Metro|Gandhi Nagar}}||காந்தி நகர்
|March 2027||
|Elevated
|-
|45||{{stl|Chennai Metro|Navallur}}||நாவலூர்
|March 2027||
|Elevated
|-
|46||{{stl|Chennai Metro|Siruseri}}||சிறுசேரி
|March 2027||
|Elevated
|-
|47||{{stl|Chennai Metro|SIPCOT 1}}||சிப்காட் 1
|March 2027||
|Elevated
|-
|48||{{stl|Chennai Metro|SIPCOT 2}}||சிப்காட் 2
|March 2027||
|Elevated
|}

{{note label|§|§|§}} under construction

==See also==
* [[List of metro systems]]
* [[Rapid transit in India]]

==Notes==
{{notelist}}

==References==
{{reflist}}

{{Chennai Metro|line 3=yes}}

{{Portal bar|India|Transport|Engineering}}

{{DEFAULTSORT:Chennai Metro - Line 3}}
[[Category:Chennai Metro lines]]

Purple Line (Chennai Metro) - Revision history

Bruce06828: added basic entry v1...