As part of the works, the bidder has to construct elevated metro stations at Chennai Bypass crossing, Ramachandra Hospital, Iyyapanthangal bus depot, Katupakkam, Kumanan Chavadi, Karayan Chavadi, Mullai Thottam, Poonamallee bus terminus and Ponamallee bypass, apart from the associated elevated line and a depot-line to a train maintenance depot at Poonamallee.