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	<id>https://en.bharatpedia.org/w/index.php?action=history&amp;feed=atom&amp;title=Line_4_%28Chennai_Metro%29</id>
	<title>Line 4 (Chennai Metro) - Revision history</title>
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	<updated>2026-09-07T21:07:41Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.bharatpedia.org/w/index.php?title=Line_4_(Chennai_Metro)&amp;diff=161457&amp;oldid=prev</id>
		<title>imported&gt;Mccapra: Removed tag</title>
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		<updated>2021-08-01T12:37:41Z</updated>

		<summary type="html">&lt;p&gt;Removed tag&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
{{Use dmy dates|date=June 2021}}&lt;br /&gt;
{{Use Indian English|date=June 2021}}&lt;br /&gt;
{{Infobox rail line&lt;br /&gt;
|name = Line 4 (Orange Line) &lt;br /&gt;
|native_name =  &lt;br /&gt;
|native_name_lang = ta&lt;br /&gt;
|color = {{Chennai Metro color|Orange}}&lt;br /&gt;
|image =&lt;br /&gt;
|image_width =&lt;br /&gt;
|caption =&lt;br /&gt;
|type = [[Rapid Transit]]&lt;br /&gt;
|system = [[Chennai Metro]]&lt;br /&gt;
|status = Under Construction&lt;br /&gt;
|locale = &lt;br /&gt;
|start = {{Metro|Light House}}&lt;br /&gt;
|end = {{Metro|Poonamallee Bypass}}&lt;br /&gt;
|stations = 28&lt;br /&gt;
|daily_ridership =&lt;br /&gt;
|open = &lt;br /&gt;
|close =&lt;br /&gt;
|owner = [[CMRL]]&lt;br /&gt;
|operator = [[Chennai Metro Rail Limited]]&lt;br /&gt;
|character = 10 km Underground and 16.1 km Elevated&lt;br /&gt;
|stock =&lt;br /&gt;
|linelength = {{convert|26.1|km|mi|abbr=on}}&lt;br /&gt;
|tracklength =&lt;br /&gt;
|tracks = 2&lt;br /&gt;
|gauge ={{Track gauge|standard}}&lt;br /&gt;
|electrification = 25 kV , 50 Hz [[Alternating current|AC]] through [[Overhead catenary]]&lt;br /&gt;
|speed = 80 km/hr (50 mph) &lt;br /&gt;
|elevation =&lt;br /&gt;
|map =&lt;br /&gt;
|map_state =&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
The &amp;#039;&amp;#039;&amp;#039;Orange Line&amp;#039;&amp;#039;&amp;#039;  or &amp;#039;&amp;#039;&amp;#039;Line 4&amp;#039;&amp;#039;&amp;#039; is one of the three lines of [[Chennai Metro]],  Phase 2 Project .  The under construction line stretches from {{Metro|Light House}} to {{Metro|Poonamallee Bypass}} . The line will consist of 28 stations, out of which 10 are underground and 18 are elevated.&lt;br /&gt;
&lt;br /&gt;
==Phase II==&lt;br /&gt;
&lt;br /&gt;
[[E. Sreedharan]], in 2013, stressed on the need of a greater expansion of Chennai metro network by undertaking subsequent phases. In July 2016, the then Chief Minister [[J. Jayalalithaa]] announced that Chennai Metro Phase 2 would be 104 km long and have 104 stations.&amp;lt;ref&amp;gt;{{Cite news|url=http://www.thehindu.com/news/cities/chennai/104-km-104-stations-Unveiling-Phase-II-of-Metro/article14549167.ece|title=104 km, 104 stations: Unveiling Phase II of Metro|last=Sekar|first=Sunitha|newspaper=The Hindu|access-date=24 January 2017}}&amp;lt;/ref&amp;gt; In July 2017, in a suo motu statement in the State Legislative Assembly, an extension in Phase II, involving an extension of Line 4 from [[Lighthouse, Chennai|Lighthouse]] up to [[Poonamallee]], with the [[Madhavaram]]–[[Sholinganallur]] and Lighthouse–Poonamallee lines intersecting at [[Alwarthirunagar]] was announced, making Phase 2 118.91 km long.&amp;lt;ref&amp;gt;{{Cite news&lt;br /&gt;
  | title = Metro&amp;#039;s second phase to go up to Poonamallee&lt;br /&gt;
  | newspaper = The Hindu&lt;br /&gt;
  | location = Chennai&lt;br /&gt;
  | publisher = Kasturi &amp;amp; Sons&lt;br /&gt;
  | date = 20 July 2017&lt;br /&gt;
  | url = http://www.thehindu.com/news/cities/chennai/metros-second-phase-to-go-up-to-poonamallee/article19310471.ece&lt;br /&gt;
  | access-date = 1 October 2017}}&amp;lt;/ref&amp;gt; The key focus for Phase 2 is to connect the northern (Madhavaram, Thiruvottriyur, Redhills) and southern parts (Siruseri, Sholinganallur) and the east parts of Chennai (Light house, Mylapore) to the western parts of Chennai (Porur, Poonamallee). Tamil Nadu Road Development Corporation (TNRDC) has also proposed an elevated {{convert|17.2|km|abbr=on}} four-lane corridor for the IT corridor from Taramani to Siruseri. CMRL will construct its piers on top of the flyover built by TNRDC.&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable sortable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! Line&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot;|Terminal&lt;br /&gt;
! Length&amp;lt;br /&amp;gt;(km)&lt;br /&gt;
!Number of stations&lt;br /&gt;
! Rolling stock &lt;br /&gt;
|-&lt;br /&gt;
| [[Line 3 (Chennai Metro)]]&lt;br /&gt;
| {{Metro|Madhavaram Milk Colony}}&lt;br /&gt;
| {{Metro|Siruseri Sipcot 2}}&lt;br /&gt;
| {{convert|45.81|km|}}&lt;br /&gt;
|48&lt;br /&gt;
| 21 trains of 3 cars each exclusively for Line 3 plus 25 trains of 3 cars each and 18 trains of 6 cars each common for Lines 3 and 5 circular train operation. &lt;br /&gt;
|-&lt;br /&gt;
| [[Line 4 (Chennai Metro)]]&lt;br /&gt;
| {{Metro|Poonamallee Bypass }}&lt;br /&gt;
| {{Metro|Lighthouse}}&lt;br /&gt;
| {{convert|26.1|km||abbr=}}&lt;br /&gt;
|28&amp;lt;ref&amp;gt;{{Cite news|last=U|first=Tejonmayam|url=https://timesofindia.indiatimes.com/city/chennai/metro-to-link-route-planned-under-monorail-network/articleshow/68029453.cms|title=Metro to link route planned under monorail network|website=The Times of India|access-date=17 February 2019}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
|26 trains of 3 cars each &lt;br /&gt;
|-&lt;br /&gt;
| [[Line 5 (Chennai Metro)]]&lt;br /&gt;
| {{Metro|Madhavaram Milk Colony}}&lt;br /&gt;
| {{Metro|Sholinganallur}}&lt;br /&gt;
| {{convert|47|km||abbr=}}&lt;br /&gt;
|48&lt;br /&gt;
| 22 trains of 3 cars each and 4 trains of 6 cars each exclusively for Line 5 plus 25 trains of 3 cars each and 18 trains of 6 cars each common for Lines 3 and 5 circular train operation as mentioned above in Line 3 table. &lt;br /&gt;
|-&lt;br /&gt;
|&lt;br /&gt;
!Total&lt;br /&gt;
! &lt;br /&gt;
!{{convert|118.91|km|abbr=on}}&lt;br /&gt;
!124&lt;br /&gt;
!94 trains of 3 cars each and 22 trains of 6 cars each. &lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
The lines 3, 4 and 5 are proposed to have {{cvt|42.41|km}}  underground and {{cvt|76.5|km}} elevated routes. The present estimate for the phase 2 stands at Rs. 61,000 crore and approval has been received from the state government. Foundation stone for phase 2 was laid on 20 November 2020 by Union Home Minister [[Amit Shah]] and construction for the phase from Poonamallee to Power House of Line 4 commenced on 1 June 2021.&amp;lt;ref&amp;gt;{{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}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{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|access-date=24 January 2017}}&amp;lt;/ref&amp;gt; The construction work for certain sections of the second phase of Chennai Metro Rail project is hit due to delay in the selection of the general consultant (GC) after concerns were raised by more than 50% of bidders on the CMRL shortlisting companies based on their technical qualifications. Addressing an event in Chennai, Prime Minister Narendra Modi on Sunday 14 February 2021 said the Centre has set aside Rs 63,000 crore in this year’s Budget for the second phase of Chennai Metro totaling 135 km, which is one of the largest projects sanctioned for any city in one-go.&amp;lt;ref&amp;gt;{{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|newspaper=Times of India|access-date=19 February 2021}}&amp;lt;/ref&amp;gt; The map and list of stations for all 3 proposed lines to be part of Phase 2 has also been published by CMRL.&lt;br /&gt;
&lt;br /&gt;
There are also plans to extend the Poonamallee line (Line 4) by 4 km to the proposed township of [[Tirumazhisai]] in the western part of the city&amp;lt;ref&amp;gt;{{Cite news|last=Sekar|first=Sunitha|url=https://www.thehindu.com/news/cities/chennai/cmrl-mulls-extending-line-to-tirumazhisai/article25829190.ece|title= CMRL mulls extending line to Tirumazhisai |newspaper=The Hindu|date=26 December 2018| access-date=1 January 2019}}&amp;lt;/ref&amp;gt; by CMRL.&amp;lt;ref&amp;gt;{{Cite web|title=Chennai Metro: Corridor-4 extension plans on cards|url=https://www.newindianexpress.com/cities/chennai/2021/jan/05/chennai-metro-corridor-4-extension-plans-on-cards-2245598.html|access-date=2021-01-23|website=The New Indian Express}}&amp;lt;/ref&amp;gt; Phase 2 is expected to be completed by 2026.&amp;lt;ref&amp;gt;{{cite web |title=Metro Rail second phase likely to be completed in six years |url=http://www.newindianexpress.com/cities/chennai/2019/apr/26/metro-rail-second-phase-likely-to-be-completed-in-6-yrs-1969031.html |website=The New Indian Express |access-date=26 April 2019}}&amp;lt;/ref&amp;gt; Phase 2 will have trains with three and six coaches, making a total of 414 coaches.&amp;lt;ref&amp;gt;{{cite news&lt;br /&gt;
  | last = Sekar&lt;br /&gt;
  | first = Sunitha&lt;br /&gt;
  | title = Chennai Metro phase II to have three-coach and six-coach trains&lt;br /&gt;
  | newspaper = The Hindu&lt;br /&gt;
  | location = Chennai&lt;br /&gt;
  | pages = 2&lt;br /&gt;
  | publisher = Kasturi &amp;amp; Sons&lt;br /&gt;
  | date = 11 March 2019&lt;br /&gt;
  | url = https://www.thehindu.com/news/cities/chennai/chennai-metro-phase-ii-to-have-three-coach-and-six-coach-trains/article26489888.ece&lt;br /&gt;
  | access-date = 1 May 2019}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
The stations in phase II will be smaller at {{cvt|150|m}} compared with {{cvt|220|m}} in phase I. Phase II will have three depots, namely, Madhavaram (27.8 hectares), SIPCOT ({{cvt|4.5|ha|disp=sqbr}}), and Poonamallee ({{cvt|15.4|ha|disp=sqbr}}).&amp;lt;ref&amp;gt;{{cite news&lt;br /&gt;
  | last = Sekar&lt;br /&gt;
  | first = Sunitha&lt;br /&gt;
  | title = For phase II, Chennai Metro will need less private land&lt;br /&gt;
  | newspaper = The Hindu&lt;br /&gt;
  | location = Chennai&lt;br /&gt;
  | pages = 3&lt;br /&gt;
  | publisher = Kasturi &amp;amp; Sons&lt;br /&gt;
  | date = 25 April 2019&lt;br /&gt;
  | url = https://www.thehindu.com/news/cities/chennai/for-phase-ii-chennai-metro-will-need-less-private-land/article26937645.ece&lt;br /&gt;
  | access-date = 2 May 2019}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
CMRL has decided to implement [[LRT]] Metrolite, covering 17 km connecting Tambaram and Velachery railway stations along the Velachery -Tambaram Road and in February 2021, the state assembly announced that the feasibility study had started for the same to soon prepare a dpr.&lt;br /&gt;
&lt;br /&gt;
==Stations==&lt;br /&gt;
&lt;br /&gt;
{|class=&amp;quot;wikitable&amp;quot; style=&amp;quot;text-align: center;&amp;quot; width=&amp;quot;65%&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
!align=&amp;quot;center&amp;quot; colspan=&amp;quot;6&amp;quot; style=&amp;quot;background:#{{Chennai Metro color|Orange}};&amp;quot; | &amp;lt;span style=&amp;quot;color:white;&amp;quot;&amp;gt;&amp;#039;&amp;#039;&amp;#039;Orange Line&amp;#039;&amp;#039;&amp;#039;&amp;lt;/span&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot;|S.No&lt;br /&gt;
! colspan=&amp;quot;2&amp;quot;|Station Name&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot;|Connections&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot;|Layout&lt;br /&gt;
! rowspan=&amp;quot;2&amp;quot;|Opened&lt;br /&gt;
|-&lt;br /&gt;
! [[English language|English]]||[[Tamil language|Tamil]]&lt;br /&gt;
|-&lt;br /&gt;
|1||align=&amp;quot;center&amp;quot;|{{Metro|Lighthouse}}||கலங்கரை விளக்கம்||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|2||align=&amp;quot;center&amp;quot;|{{Metro|Kutchery Road}}||கச்சேரி சாலை||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|3||align=&amp;quot;center&amp;quot;|{{Metro|Thirumayilai}}||திருமயிலை||{{rint|rail}} Chennai Suburban Railways MRTS [[Line 3 (Chennai Metro)]]||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|4||align=&amp;quot;center&amp;quot;|{{Metro|Alwarpet}}|| ஆழ்வார்ப்பேட்டை||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|5||align=&amp;quot;center&amp;quot;|{{Metro|Bharathidasan Road}}||பாரதிதாசன் சாலை||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|6||align=&amp;quot;center&amp;quot;|{{Metro|Boat Club}}||படகு குழாம்||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|7||align=&amp;quot;center&amp;quot;|{{Metro|Nandanam}}||நந்தனம்||{{color box|#{{Chennai Metro color|Blue}}}}[[Blue Line (Chennai Metro)|Blue Line]]||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|8||align=&amp;quot;center&amp;quot;|{{Metro|Panagal Park}}||பனகல் பூங்கா||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|9||align=&amp;quot;center&amp;quot;|{{Metro|Kodambakkam}}||கோடம்பாக்கம்||{{rint|rail}} Chennai Suburban Railways||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|10||align=&amp;quot;center&amp;quot;|{{Metro|Kodambakkam Flyover}}|| கோடம்பாக்கம் மேம்பாலம்||None||Underground||UC&lt;br /&gt;
|-&lt;br /&gt;
|11||align=&amp;quot;center&amp;quot;|{{Metro|Kodambakkam Power House}}||கோடம்பாக்கம் பவர் ஹவுஸ்||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|12||align=&amp;quot;center&amp;quot;|{{Metro|Vadapalani}}||வடபழனி||{{color box|#{{Chennai Metro color|Green}}}} [[Green Line (Chennai Metro)|Green Line]]     ||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|13||align=&amp;quot;center&amp;quot;|{{Metro|Saligramam}}||சாலிகிராமம்||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|14||align=&amp;quot;center&amp;quot;|{{Metro|Saligramam Warehouse}}||சாலிகிராமம் கிடங்கு||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|15||align=&amp;quot;center&amp;quot;|{{Metro|Alwarthiru Nagar}}||ஆழ்வார்திருநகர்||[[Line 5 (Chennai Metro)]]||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|16||align=&amp;quot;center&amp;quot;|{{Metro|Valasaravakkam}}||வளசரவாக்கம்||[[Line 5 (Chennai Metro)]]||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|17||align=&amp;quot;center&amp;quot;|{{Metro|Karambakkam}}||காரம்பாக்கம்||[[Line 5 (Chennai Metro)]]||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|18||align=&amp;quot;center&amp;quot;|{{Metro|Alapakkam}}||ஆலப்பாக்கம்||[[Line 5 (Chennai Metro)]]||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|19||align=&amp;quot;center&amp;quot;|{{Metro|Porur Junction}}||போரூர் சந்திப்பு||[[Line 5 (Chennai Metro)]]||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|20||align=&amp;quot;center&amp;quot;|{{Metro|Porur Bypass}}||போரூர் புறவழிச்சாலை||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|21||align=&amp;quot;center&amp;quot;|{{Metro|Thelliyaragaram}}||தெள்ளியரகரம்||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|22||align=&amp;quot;center&amp;quot;|{{Metro|Iyyapanthangal}}|| ஐயப்பன் தாங்கல்||{{rint|bus}} Bus Terminus||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|23||align=&amp;quot;center&amp;quot;|{{Metro|Kattupakkam}}||காட்டுப்பாக்கம்||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|24||align=&amp;quot;center&amp;quot;|{{Metro|Kumananchavadi}}||குமணன் சாவடி||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|25||align=&amp;quot;center&amp;quot;|{{Metro|Karayanchavadi}}||கரையான் சாவடி||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|26||align=&amp;quot;center&amp;quot;|{{Metro|Mullaithottam}}||முல்லைத்தோட்டம்||None||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|27||align=&amp;quot;center&amp;quot;|{{Metro|Poonamallee }}||பூவிருந்தவல்லி||{{rint|bus}} Bus Terminus||Elevated||UC&lt;br /&gt;
|-&lt;br /&gt;
|28||align=&amp;quot;center&amp;quot;|{{Metro|Poonamallee Bypass}}||பூவிருந்தவல்லி புறவழிச்சாலை||None||Elevated||UC&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{India-transport-stub}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Chennai Metro lines]]&lt;/div&gt;</summary>
		<author><name>imported&gt;Mccapra</name></author>
	</entry>
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