InfrastructureDMK-AIADMK alternation
Construction of the Chennai Metro begins

Work started on the first phase of the Chennai Metro, approved by the state government in November 2007, with an elevated viaduct at Koyambedu.
The Delhi Metro Rail Corporation prepared a project report for a metro rail system in Chennai, and the Government of Tamil Nadu approved the first phase in November 2007. The phase planned two corridors of about 45 kilometres, from Washermanpet to the airport and from Chennai Central to St. Thomas Mount. The project is run by Chennai Metro Rail Limited, a joint venture of the Union and state governments. Construction began in February 2009 with an elevated viaduct between Koyambedu and Ashok Nagar, and the first section opened in 2015.





