Department of Transport (Tamil Nadu)

The Department of Transport of state of Tamil Nadu is one of the departments of Government of Tamil Nadu.

Objective
The transport department is responsible for the maintenance of public transport and has control over seven transport undertakings. The department is also the nodal agency of the state government for projects implemented by the Indian Railways, the department of communications and the civil aviation of the Government of India.

Sub-departments
The commissionerate of transport (State Transport Authority) and Tamil Nadu motor vehicles maintenance department function under the department.

The state transport authority controls the major public transport agencies of the state: Tamil Nadu State Transport Corporation (TNSTC), State Express Transport Corporation (SETC) and Metropolitan Transport Corporation (MTC). It is also responsible for managing the licensing and permits for private buses. As of 2023, the state transport units operated 20,213 buses apart from 7,814 private buses and 3,990 mini-buses. TNSTC has six operational divisions operating under the department and operates most inter-city services and intra-city services except in Chennai while SETC operates long distances bus services connecting major towns. MTC is responsible for public bus transportation in Chennai.
 * Transport authority

The department also manages the following undertakings:
 * Tamil Nadu Transport Development Finance Corporation (TDFC): Financing and budgeting for public transport infrastructure
 * Institute of Road Transport (IRT): Education and research on road transport
 * Pallavan Transport Consultancy Services (PTCS): Planning and consultancy on transport
 * Chennai Unified Metropolitan Transport Authority (CUMTA): Integration of all public transport within the Chennai metropolitan area including the sub-urban railway, MRTS and metro

The motor vehicle maintenance department is responsible for the maintenance and repair of all government owned vehicles including that of the chief minister.
 * Vehicle maintenance

Ministers

 * S. S. Sivasankar (2021-)
 * M. R. Vijayabhaskar (2016-21)
 * V. Senthil Balaji (2011-16)
 * K. N. Nehru (2006-11)
 * Nainar Nagenthran (2001-06)
 * K. Ponmudy (1996-2001)
 * K. A. Sengottaiyan (1991-96)