The Yellow Line or Line 4 is one of the under construction lines of
Chennai Metro
The Chennai Metro is a rapid transit system serving the city of Chennai, India. Operated by Chennai Metro Rail Limited (CMRL) – a joint venture between the Government of India and the State Government of Tamil Nadu, the network consists o ...
Phase-II stretching from to . The line will consist of 27 stations, out of which nine will be underground and 18 will be at grade or elevated. The colour code of the corridor was changed from Orange to Yellow, as per latest
CMRL's latest Phase-II map.
Planning and construction
Phase II
The construction of the first phase of
Chennai Metro
The Chennai Metro is a rapid transit system serving the city of Chennai, India. Operated by Chennai Metro Rail Limited (CMRL) – a joint venture between the Government of India and the State Government of Tamil Nadu, the network consists o ...
started in June 2009. Commercial operations started on the
green line in June 2015. On 10 February 2019, the extension of
blue line was opened, completing the first phase of the metro.
In July 2016,
Government of Tamil Nadu
The Government of Tamil Nadu () is the administrative body responsible for the governance of the Indian state of Tamil Nadu. Chennai is the capital of the state and houses the state executive, legislature and head of judiciary.
Under the Const ...
announced that the second phase would have three lines totaling in length with 104 stations. Two corridors would extend from
Madhavaram connecting with
Siruseri
Siruseri is a southern suburb of Chennai, India. It is a village under Thiruporur panchayat union in Chengalpattu district, Tamil Nadu, and is 35 km from Chennai, along the Old Mahabalipuram Road. It is located between Navalur and Kelamba ...
and
Sholinganallur
Sholinganallur, also spelled Solinganalloor or Sozhinganalloor, is a southern suburb of Chennai, India.
Etymology
The etymology given by Tamil scholars is "Chola" + "Angam" + "Nallur", which indicates that Sholinganallur was once part of a Ch ...
respectively with the third corridor connecting
Koyambedu
Koyambedu is a neighbourhood in Chennai, India. Situated in the western part of Chennai city, the Koyambedu area has become a major hub of activity in Chennai after the inauguration of the Koyambedu market in 1996 and the Chennai Mofussil Bus ...
with
Lighthouse
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lens (optics), lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on inland waterways.
Ligh ...
. In July 2017, the state government announced an extension in Phase II, involving an extension of line four from
Lighthouse
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lens (optics), lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on inland waterways.
Ligh ...
up to
Poonamallee
Poonamallee is a western suburb of Chennai, India under the Chennai Metropolitan Area. It was historically called ''Pushpagirimangalam'', later renamed in Tamil as ''Poovirundhavalli'' (), and now colloquially called as ''Poondhamalli''. It i ...
with an intersection with the
Madhavaram–Sholinganallur line at
Alwarthirunagar
Alwarthirunagar is an urban locality in Chennai, the capital city of Tamil Nadu, India. Alwarthirunagar's PIN code is 600087 and the postal head office is in Valasaravakkam. It falls under Valasaravakkam municipality, in the Maduravoyal Asse ...
. The line will extend to with
elevated
An elevated railway or elevated train (also known as an el train or el for short) is a railway with the Track (rail transport), tracks above street level on a viaduct or other elevated structure (usually constructed from steel, cast iron, concre ...
and
underground. It will consist of 30 stations including 12 undergrounds stations.
The stations for the second phase were designed to be smaller than the existing stations operational in the first phase.
On 20 November 2020, foundation stone for the second phase was laid and construction commenced. In November 2022, Alstom was awarded the contract to supply metro coaches for the phase II expansion. In May 2023, CMRL announced a revised plan for the second phase revising the station count on the fourth line to 27. As per the final plan, the fourth line will extend for .
The second phase is estimated to cost of which initially was loaned by JICA.
On 14 February 2021,
Prime Minister of India
The prime minister of India (ISO 15919, ISO: ) is the head of government of the Republic of India. Executive authority is vested in the prime minister and his chosen Union Council of Ministers, Council of Ministers, despite the president of ...
announced that the government has set aside for the construction of phase II and further extension.
Phase II extension
In 2022, the state government proposed an extension plan for the fourth line from Poonamalee to
Parandur, covering an approximate .
In early 2024, feasibility report was submitted by CMRL for the proposed expansion of the line, green lighting the same.
Stations
under construction
See also
*
List of rapid transit systems in India
*
List of metro systems
This list of metro systems includes electrified rapid transit train systems worldwide. In some parts of the world, metro systems are referred to as subways, undergrounds, tubes, mass rapid transit (MRT), metrô or U-Bahn. 204 cities in 65 cou ...
References
{{DEFAULTSORT:Chennai Metro - Line 4
Chennai Metro lines