The line will connect Tambaram and Velachery in South Chennai.

[2] The system will be constructed and operated by Chennai Metro Rail Limited.

[1] The stations will be at-grade and the line is planned to link the existing urban transit lines of Chennai Metro and Chennai Mass Rapid Transit System.

[3] The system will be designed as per MoHUA's Metrolite specifications and will be cheaper to construct because of its lower speeds and carrying capacities compared to regular metros.

[4][1] In 2023, the feasibility study for the project was commissioned by the Chennai Unified Metropolitan Transport Authority.