Chennai, the capital city of the state of Tamil Nadu, India, and the headquarters of the Southern Railway zone, is a major rail transport hub in the country. It has over 40 railway stations which are part of an extensive suburban railway network The city is served by three railway terminals – the Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station and the Chennai Egmore railway station and the Tambaram railway station.

Chennai Central (station code: MAS), is an NSG–1 category Indian railway station in Chennai railway division of Southern Railway zone. It is the main railway terminus in the city of Chennai, Tamil Nadu, India. It is the busiest railway station in South India and one of the most important hubs in the country. It is connected to Moore Market Complex railway station, Chennai Central metro station, Chennai Park railway station, and Chennai Park Town railway station. It is about 1.8 km (1.1 mi) from the Chennai Egmore railway station. The terminus connects the city to northern India, including Kolkata, Mumbai, and New Delhi, and different parts of India.