Tamil Nadu has a road network of nearly 1.70 lakh km. Private bus operators along with a number of government buses link the important cities and ply the entire south. Inter-state buses run by the State Express Transport Corporation connect Chennai with the states of Karnataka, Kerala, and Andhra Pradesh.
with its focal point at Chennai, the Southern Railways has a network that covers a large area of the Southern Peninsula of India. The states of Tamil Nadu, Kerala, Pondicherry, a major portion of Karnataka and a part of Andhra Pradesh are covered by the network. The Chennai Central railway station is just 5 km away from the city centre. Other important rail junctions include Madurai, Tiruchirapalli, Salem, and Coimbatore.
the Chennai international airport, handles domestic flights to 20 destinations along with international flights to destinations like Frankfurt, London and so on.