Chennai Metro Rail

Chennai Metro Rail

Being the 4th largest city in India with the population of the metropolitan area being about 8 million and vehicular population around 26Lakhs, till date Chennai is being served with the transport systems – Suburban rails, MTRS and MTC buses.

Chennai Metro Rail Limited – incorporated on 03 December 2007 under the Companies Act has now been converted into a Joint Venture of Government of India and Government of Tamil nadu with equal equity holding.

The newly introduced Metro Rail is faster, reliable, convenient, efficient, modern and economical mode of public transport which is properly with other forms of public and private transports including buses, sub urban trains and MTRTS.

The long wait of people of the city to travel by Chennai Metro Rail finally come to an end with the first service chugging off at noon on 29-June-2015 after Chief Minister Jayalalithaa inaugurated the project through a video conference

Four years after work began, the first metro train left Alandur station for Koyambedu. Steered by a young woman, the first train of the Chennai Metro Rail chugged along from Alandur Station in Chennai after being flagged off !

Chennai Metro Rail

The train operation plan provides for 4.5 minutes Headway with 4 – Car train in Corridor – I & II during peak hours and 10 minutes Headway during lean hours in the initial stage of train service.

Koyambedu to Alandur: 15 minutes

1. The trains run on a fixed time table everyday. The timetable is prepared the previous day factoring in frequency, peak and non-peak hour etc. An announcement system is in place to inform passengers of an incoming train.

2. In case of an emergency, a passenger can get in touch with train operator. He communicates with the operation control centres who in turn intimate it to the next station controller to deboard the passenger.

3. Operation Control Centre (OCC) is the nerve centre where all trains of Chennai Metro Rail will be monitored.

4. Currently, there are seven people in OCC including chief controller and traffic controllers.

5. If the driver falls ill during train operation, the train automatically applies emergency brake and stops.

6. If there is a problem at the OCC, the control is transferred to backup stations like Ashok Nagar and Koyambedu.

7. The trains are currently tested on both manual and automatic mode.

8. Chennai Metro Rail trains are equipped to run without train operators. But for a while, they will run with train operators.


Initially nine trains will be used for operations from Koyambedu to Alandur which covers a distance of 10 km with a passenger capacity of each train: 1,200 at average speed of train: 35 kmph and Maximum operating speed: 80 km/hour. The duration of halt in each station: 30 seconds with Running of services for 19 hours of the day (6 AM to Midnight)
Chennai Metro Rail will be the first metro project in the country that will integrate other public transportation systems.
After the success of the Delhi Metro, a similar system has been planned for the city of Chennai by E. Sreedharan of the DMRC.
Chennai Metro runs in standard gauge measuring 1435 mm. The rail tracks for Chennai Metro are being manufactured in Brazil and imported to Chennai. The rails for Chennai Metro weigh 60 kg per metre, as against 52 kg per meter used by Indian Railways.
Electricity for the Metro will be supplied by Tamil Nadu Electricity Board. Once the operating of trains commence by 2015, Metro rail will need nearly 70 MW power to operate trains and for lighting and air conditioning of stations

.The Metro has a depot at Koyambedu. The depot features ballast-less tracks of 15 route kilometres. The depot, spread over 26 hectares, houses maintenance workshops, stabling lines, a test track and a washing plant for the trains. It also houses the Operational Control Centre (OCC) for the Metro Rail from where movement of trains across the city can be monitored.
The 6-storey admin building of Chennai Metro is located at Koyambedu depot. It is designed to accommodate the officials of CMRL as well as the equipment’s needed to control the metro system. It also accommodates the Operation Control Centre, described as the heart of the metro operations, to monitor the movements of trains in the main line and the equipment rooms belonging to various systems involved in the metro operation. The building is a Gold-rated “LEED-Leadership in Energy and Environmental Design”-certified building. Depot control centre in the admin building will also monitor the movements of trains inside the depot.
The Operation Control Centre (OCC), the nerve center of the metro rail network, controls the entire Metro Rail network and its operations. Everything in the train will be pre-set. The train speed, routing, signal, halting and maneuvering of the train will be controlled from the OCC. It also monitors the real-time CCTV footages obtained from the stations and on-board cameras.
While lots of good things happen there will always be a room for gossips..

Regarding the tariff it might end up burning a hole in the pockets of commuters. With a fare of Rs. 40 for 10 km between Alandur and Koyambedu, Chennai Metro Rail is now the costliest in the country.


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