Line 3 (Chennai Metro)

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Line 3 (Purple Line)
Overview
StatusUnder Construction
OwnerCMRL
Termini
Stations48
Service
TypeRapid Transit
SystemChennai Metro
Operator(s)Chennai Metro Rail Limited
Technical
Line length45.81 km (28.47 mi)
Number of tracks2
Character27 km Underground and 18.81 km Elevated
Track gauge1,435 mm (4 ft 8+1⁄2 in)
Electrification25 kV , 50 Hz AC through Overhead catenary
Operating speed80 km/hr (50 mph)

The Purple Line or Line 3 is one of the three lines of Chennai Metro, Phase 2 Project. The under construction line stretches from to . The line will consist of 48 stations, out of which 29 are underground and 19 are elevated.

Phase II[]

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.[1] 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 up to Poonamallee, with the Madhavaram–Sholinganallur and Lighthouse–Poonamallee lines intersecting at Alwarthirunagar was announced, making Phase 2 118.91 km long.[2] 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 17.2 km (10.7 mi) four-lane corridor for the IT corridor from Taramani to Siruseri. CMRL will construct its piers on top of the flyover built by TNRDC.

Line Terminal Length
(km) 		Number of stations Rolling stock
Line 3 45.81 kilometres (28.47 mi) 48 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.
Line 4 Poonamallee Bypass Lighthouse 26.1 kilometres (16.2 mi) 28[3] 26 trains of 3 cars each
Line 5 47 kilometres (29 mi) 48 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.
Total 118.91 km (73.89 mi) 124 94 trains of 3 cars each and 22 trains of 6 cars each.

The lines 3, 4 and 5 are proposed to have 42.41 km (26.35 mi) underground and 76.5 km (47.5 mi) 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.[4][5] 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.[6] The map and list of stations for all 3 proposed lines to be part of Phase 2 has also been published by CMRL.

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[7] by CMRL.[8] Phase 2 is expected to be completed by 2026.[9] Phase 2 will have trains with three and six coaches, making a total of 414 coaches.[10]

The stations in phase II will be smaller at 150 m (490 ft) compared with 220 m (720 ft) in phase I. Phase II will have three depots, namely, Madhavaram (27.8 hectares), SIPCOT (4.5 ha [11 acres]), and Poonamallee (15.4 ha [38 acres]).[11]

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.

Stations[]

Purple Line
S.No Station Name Connections Layout Opened
English Tamil
1 மாதவரம் பால் பண்ணை Line 5 (Chennai Metro) Underground UC
2 தபால் பெட்டி None Underground UC
3 மாதவரம் நெடுஞ்சாலை None Underground UC
4 மூலக்கடை None Underground UC
5 செம்பியம் None Underground UC
6 பெரம்பூர் அங்காடி None Underground UC
7 பெரம்பூர் Mainline rail interchange Chennai Suburban Railways Underground UC
8 அயனாவரம் Bus interchange Bus Terminus Underground UC
9 ஓட்டேரி None Underground UC
10 பட்டாளம் None Underground UC
11 பெரம்பூர் பேரக்ஸ் சாலை None Underground UC
12 புரசைவாக்கம் None Underground UC
13 கெல்லீஸ் None Underground UC
14 Kilpauk Medical College கீழ்ப்பாக்கம் மருத்துவக் கல்லூரி   Green Line Underground UC
15 சேத்துப்பட்டு Mainline rail interchange Chennai Suburban Railways Underground UC
16 ஸ்டெர்லிங் சாலை சந்திப்பு None Underground UC
17 நுங்கம்பாக்கம் None Underground UC
18 அண்ணா மேம்பாலம் None Underground UC
19 Thousand Lights ஆயிரம் விளக்கு   Blue Line Underground UC
20 Royapettah ராயப்பேட்டை None Underground UC
21 டாக்டர் ராதாகிருஷ்ணன் சாலை None Underground UC
22 திருமயிலை Mainline rail interchange Chennai Suburban Railways MRTS Line 4 (Chennai Metro) Underground UC
23 மந்தைவெளி Bus interchange Bus Terminus Underground UC
24 பசுமைவழிச் சாலை None Underground UC
25 அடையாறு சந்திப்பு None Underground UC
26 அடையாறு பணிமனை Bus interchange Bus Terminus Underground UC
27 இந்திரா நகர் None Underground UC
28 திருவான்மியூர் Mainline rail interchange Chennai Suburban Railways MRTS Underground UC
29 தரமணி None Underground UC
30 நேரு நகர் None Elevated UC
31 கந்தன் சாவடி None Elevated UC
32 பெருங்குடி None Elevated UC
33 துரைப்பாக்கம் None Elevated UC
34 மேட்டுக்குப்பம் None Elevated UC
35 பி.டி.சி. காலனி None Elevated UC
36 ஒக்கியம்பேட்டை None Elevated UC
37 காரப்பாக்கம் None Elevated UC
38 ஒக்கியம் துரைப்பாக்கம் None Elevated UC
39 சோழிங்கநல்லூர் Line 5 (Chennai Metro) Elevated UC
40 சோழிங்கநல்லூர் ஏரி 1 None Elevated UC
41 சோழிங்கநல்லூர் ஏரி 2 None Elevated UC
42 செம்மஞ்சேரி 1 None Elevated UC
43 செம்மஞ்சேரி 2 None Elevated UC
44 காந்தி நகர் None Elevated UC
45 நாவலூர் None Elevated UC
46 சிறுசேரி None Elevated UC
47 சிறுசேரி சிப்காட் 1 None Elevated UC
48 சிறுசேரி சிப்காட் 2 None Elevated UC

References[]

  1. ^ Sekar, Sunitha. "104 km, 104 stations: Unveiling Phase II of Metro". The Hindu. Retrieved 24 January 2017.
  2. ^ "Metro's second phase to go up to Poonamallee". The Hindu. Chennai: Kasturi & Sons. 20 July 2017. Retrieved 1 October 2017.
  3. ^ U, Tejonmayam. "Metro to link route planned under monorail network". The Times of India. Retrieved 17 February 2019.
  4. ^ Sekar, Sunitha. "Detailed project report for Phase II of Metro Rail ready". The Hindu. Retrieved 24 January 2017.
  5. ^ U, Tejonmayam. "Chennai: Metro rail to trim stations under phase 2". The Times of India. Retrieved 24 January 2017.
  6. ^ Dipak K, Dash. "Ground work for Chennai metro rail phase-2 hit". Times of India. Retrieved 19 February 2021.
  7. ^ Sekar, Sunitha (26 December 2018). "CMRL mulls extending line to Tirumazhisai". The Hindu. Retrieved 1 January 2019.
  8. ^ "Chennai Metro: Corridor-4 extension plans on cards". The New Indian Express. Retrieved 23 January 2021.
  9. ^ "Metro Rail second phase likely to be completed in six years". The New Indian Express. Retrieved 26 April 2019.
  10. ^ Sekar, Sunitha (11 March 2019). "Chennai Metro phase II to have three-coach and six-coach trains". The Hindu. Chennai: Kasturi & Sons. p. 2. Retrieved 1 May 2019.
  11. ^ Sekar, Sunitha (25 April 2019). "For phase II, Chennai Metro will need less private land". The Hindu. Chennai: Kasturi & Sons. p. 3. Retrieved 2 May 2019.
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