CMRL
About Company
The Chennai Metro is a rapid transit system serving the city of Chennai, Tamil Nadu, India.[3][4] It is the 4th longest metro system in India. The system commenced service in 2015 after partially opening the first phase of the project. The network consists of two colour-coded lines covering a length of 45 kilometres (28 mi).[5] The Chennai Metro Rail Limited (CMRL), a joint venture between Government of India and the Government of Tamil Nadu built and operates the Chennai Metro. The system has a mix of underground and elevated stations and uses standard gauge. The services operate daily between 5:30 and 21:00 with a varying frequency of 2 to 8 minutes.