The decks have been cleared for the further expansion of Chennai Metro Rail with the State government announcing that the viability of three new corridors is being explored.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/metro-dilemma-centre-or-periphery
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-d
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/metro
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rail-transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/congestion