Overview
- Sanction covers 30.02 km at an estimated completion cost of ₹757.18 crore, to be executed by Southern Railway under Plan Head-15 within the Energy, Mineral & Cement Corridor.
- Current three-line section operates at about 87% capacity, with utilisation projected to rise to 136% without expansion.
- The added track is designed to decongest the route, extend dedicated suburban services to Chengalpattu, and strengthen links to the upcoming Kilambakkam terminal and a proposed airport near Kanchipuram.
- Officials project 1.344 million tonnes of additional freight annually and roughly ₹157 crore in extra revenue after commissioning, leveraging nearby SIPCOT industrial parks.
- Reports cite endorsements from Railway Board leadership, with work poised to begin though a construction start date has not been announced.