Air
Chennai serves as a major gateway to southern India, and the Chennai International Airport, comprising the Anna international terminal and the Kamaraj domestic terminal with a total passenger movements of 10.5 million and aircraft movements of 110,000 in 2009–2010, is the third busiest airport in India, and has the second busiest cargo terminus in the country. Chennai handles 316 flights a day, again making it at third spot among Indian Airports. The city is connected to major hubs across Asia, Europe, and North America through more than 30 national and international carriers.
The existing airport is undergoing further modernisation and expansion with an addition of 1069.99 acres, and a new greenfield airport is to be constructed at an estimated cost of 20,000 million in Sriperumbudur on 4,200 acres (17 km) of land.
Sea
The city is served by two major ports, Chennai Port, one of the largest artificial ports, and Ennore Port. The Chennai port is the largest in Bay of Bengal with an annual cargo tonnage of 61.46 million (2010–2011) and is India's second busiest container hub with an annual container volume of 1.523 million TEUs (2010–2011), handling automobiles, motorcycles and general industrial cargo. The Ennore Port with an annual cargo tonnage of 11.01 million (2010–2011) handles cargo such as coal, ore and other bulk and rock mineral products.
Royapuram fishing harbour is used by fishing boats and trawlers. A mega shipyard project called the Kattupalli Shipyard cum Captive Port Complex is being built by L&T Shipbuilding at Kattupalli village near Ennore and is expected to be operational in 2012.
Rail
Chennai is the headquarters of the Southern Railway. The city has two main railway terminals. Chennai Central station, the city's largest, provides access to other major cities as well as many other smaller towns across India. Chennai Egmore is a terminus for trains to
