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Chennai Metro Rail

Chennai Metro
Chennai Metro Logo.jpg
Chennai Metro Rail at Koyambedu.JPG
A train arriving at the Koyambedu metro station.
Overview
Owner Chennai Metro Rail Limited (CMRL)
Locale Chennai, Tamil Nadu, India
Transit type Rapid Transit
Number of lines 2
Number of stations 20 operational (13 elevated, 7 underground)
42 Phase I
Headquarters Poonamallee High Road, Koyambedu, Chennai 600107
Website chennaimetrorail.org
Operation
Began operation 29 June 2015; 2 years ago (2015-06-29)
Operator(s) Chennai Metro Rail Limited (CMRL)
Number of vehicles 42 (Phase I)
Train length 86.5 m (284 ft)
Technical
System length 27.88 km (17.32 mi) (operational)
54.1 km (33.6 mi) (Phase I and Extension)
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge
Electrification 25 kV, 50 Hz AC through overhead catenary
Top speed 80 km/h (50 mph)
System map

Schematic diagram of Chennai Metro


Schematic diagram of Chennai Metro

The Chennai Metro, officially Chennai Metro Rail Limited (CMRL), is a rapid transit system serving the city of Chennai, Tamil Nadu, India. The system commenced revenue service in 2015 after partially opening the first phase of the project. The network consists of two colour-coded lines covering a length of 54.1 kilometres (33.6 mi).

The Chennai Metro Rail Limited (CMRL), a joint venture between Government of India and the Government of Tamil Nadu builds and operates Chennai Metro. The system has a mix of underground and elevated stations and uses standard gauge. The services operate daily between 06:00 and 22:00 with a varying-frequency of 10-20 minutes.

The system has also planned to complete the takeover of the existing Chennai Mass Rapid Transit System by 2021, which would be upgraded to operate using the rolling stock of the Chennai Metro. CMRL was recognised by the International Association of Public Transport in 2011.

The construction began in June 2009 and the first stretch covering seven stations from Koyambedu to Alandur over a distance of 10 kilometres (6.2 mi), began operation on 29 June 2015. And as of May 2017, Nehru Park to St. Thomas Mount on Green line and Little Mount to Chennai International Airport on Blue line are commercially operational which brings the total operational network to 28 km.


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