Tamil Nadu State Transport Corporation

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Tamil Nadu State Transport Corporation Limited
State Government enterprise
Industry Public Transport
Founded 1972
Headquarters Chennai, India
Area served
South India (majorly Tamil Nadu)
Products Bus transport and cargo transport services
Owner Government of Tamil Nadu
Number of employees
Parent Department of Transport (Tamil Nadu)
Website TNSTC

Tamil Nadu State Transport Corporation Limited (TNSTC) is a public transport bus operator in Tamil Nadu, India.[1] It is the largest bus corporation in the world and operates buses along intra and inter city bus routes in South India.


TNSTC is the largest government bus transport corporation in world with an estimated 21,594 buses in its fleet. It is fully owned and operated by Government of Tamil Nadu. It caters to all the districts within Tamil Nadu and also operates services to neighboring states of Andhra Pradesh, Karnataka, Kerala and union territory of Puduchery. From 2012, TNSTC does not operate deluxe and air conditioned buses in routes with one way distance more than 300 km, which have since been transferred to SETC.[2]
.Until 1996, transport corporation was bifurcated into 21 divisions which was later merged to form 8 divisions. School and college students get a free bus pass to travel on TNSTC buses.[3] TNSTC owns 294 depots and five workshops. TNSTC also offers contract and tourist services. Every bus owned by the corporation displays a portrait of Tamil poet Thiruvalluvar along with a two line verse from Thirukkural inside the bus.


The various divisions are listed below:

Name Old name(s) (before 1996) Zonal Divisions Districts Covered Headquarters Registration Headquarters Code
MTC, Chennai Ambedkar (DATC), Pallavan (PTC) North Chennai, South Chennai Chennai Metropolitian Area and its suburban areas Chennai TN-01, TN-02 77/MDS
SETC Thiruvalluvar (TTC), Rajiv Gandhi (RGTC) Chennai Tamil Nadu, Andhra Pradesh, Karnataka, Kerala, Puduchery Chennai TN-01,TN-07 77/MDS
Name Old name(s) (before 1996) Headquarters Districts Covered Registration HQ Code
TNSTC, Coimbatore Bharathiar, Cheran, Jeeva Coimbatore Coimbatore, Erode, Nilgiris, Tirupur TN-33, TN-38, TN-39, TN-43 191/CBE
TNSTC, Kumbakonam Chozhan, Dheeran Chinnamalai, Marudhu Pandiar, Veeran Azhagu Muthukone Kumbakonam Ariyalur, Karur, Nagapattinam, Perambalur, Pudhukottai, Ramanathapuram, Sivagangai, Thanjavur, Thiruvarur, Tiruchirapalli TN-45, TN-47, TN-49, TN-51, TN-55, TN-63, TN-68 454/TAJ
TNSTC, Madurai Pandiyan, Rani Mangammal, Veeran Sundaralingam Madurai Dindigul, Madurai, Theni, Virudhunagar TN-57, TN-58, TN-59, TN-67 459/MDU
TNSTC, Salem Anna, Annai Sathya Salem Dharmapuri, Krishnagiri, Namakkal, Salem TN-27, TN-29, TN-30 SLM/394
TNSTC, Tirunelveli Kattabomman, Nesamony Tirunelveli Kanyakumari, Thoothukudi, Tirunelveli TN-72, TN-74 464/TIN
TNSTC, Villupuram MGR, Pattukottai Azhagiri, Thanthai Periyar Villupuram Cuddalore, Kanchipuram, Thiruvallur, Tiruvannamalai, Vellore, Villupuram TN-21, TN-23, TN-25, TN-31, TN-32 19/VPM

Image gallery[edit]

Types of buses[edit]

TNSTC operates buses of various classes to cater to different sections of public.

  • Town buses and low floor buses, operated on intra city routes
  • Moffusil buses, largest in its stable, ply on inter town routes and cater to a majority of the traffic
  • Video coaches and deluxe buses, operated between major towns
  • Ultra deluxe non AC coaches with recliner seats, operated between important commercial centers to major cities
  • Air conditioned buses, operated in intra city routes

TNSTC and SETC use custom made buses built on Ashok Leyland and TATA supplied chassis. Air conditioned buses for intra city routes in Chennai are supplied by Volvo and Tata Marcopolo. All divisions have individual own coach building units.


In 1984, Tamil Nadu State Transport Corporation Limited established Institute of Road and Transport Technology at Chithode, Erode and IRT Perundurai Medical College at Perundurai near Erode. In 2013, Tamil Nadu State Transport Corporation Limited established Amma Kudineer which involves in production and packaging of mineral water in one liter plastic bottles, and selling them in long-distance running state-owned buses and in bus stations. The price has been fixed at INR 10 per bottle, and the production plant is set up in Gummidipoondi in Thiruvallur district.


External links[edit]