The Tamil Nadu government is considering building a Metro Rail corridor connecting Poonamallee and Parandur to provide convenient access to the second airport planned in Parandur. This decision comes after concerns about the distance of the proposed airport from the existing city airport. The government is currently exploring different route options,...
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including a connection from the existing Chennai airport metro station or from Koyambedu. However, funding for this project remains a significant challenge, as the State government is currently bearing all the expenses for the Metro Rail phase II project. The government hopes to secure financial support from the Union government for this new corridor.