The ambitious Chennai–Hyderabad high-speed rail corridor has taken a significant step forward, with the Detailed Project Report (DPR) approaching completion for the proposed 778-kilometre bullet train line connecting the two major southern cities.
The South Central Railway (SCR) has submitted the final alignment of the high-speed rail corridor to the Tamil Nadu government for inclusion in the DPR, marking a critical milestone in the project’s planning phase. State approvals are now awaited before the DPR can be finalized.
At the request of Tamil Nadu, the alignment has been revised to include a major stop at Tirupati, replacing the earlier proposed route via Gudur, according to officials.
Once operational, the high-speed rail corridor is expected to drastically reduce travel time between Chennai and Hyderabad from approximately 12 hours to around 2 hours and 20 minutes. This transformation will make inter-city travel faster and more competitive with air travel.
The corridor is planned to include multiple stations along the route. Key stops will include Chennai Central in Tamil Nadu, a new high-speed rail station near Minjur along the Chennai Ring Road, and several strategic stops between the two states.
SCR has requested approximately 50 acres of land at each station site to develop transit-oriented commercial and mobility hubs, enhancing connectivity and economic activity around the stations.
The Chennai–Hyderabad bullet train project is part of India’s broader national strategy to expand the high-speed rail network beyond the flagship Mumbai–Ahmedabad route. The project aims to connect economic hubs across Telangana, Andhra Pradesh, and Tamil Nadu, strengthening regional integration and mobility.
The project is expected to support enhanced business and tourism linkages, provide faster and more reliable long-distance rail travel, and boost economic activity along the corridor.
With the revised alignment and station plans now in place, the next major steps include state government approval of the DPR, final location surveys, land acquisition processes, and environmental and field inspections.
Officials indicate that the Tamil Nadu government’s approval is expected to trigger the finalization of the DPR within the next month, keeping the project on schedule.
The Chennai–Hyderabad corridor is one of two high-speed rail routes planned for southern India. The other proposed route is a Hyderabad–Bengaluru high-speed link. Both projects are designed to bring world-class rail infrastructure to the region while reinforcing fast, sustainable connectivity between major urban centres.
The project represents a major step forward in India’s high-speed rail ambitions and has the potential to reshape travel patterns and economic linkages across southern India.
