Tamil Nadu State Transport Corporation

Tamil Nadu State Transport Corporation Limited
தமிழ்நாடு அரசுப் போக்குவரத்துக் கழகம்
Tamilnadu Arasu Pōkuvaratthu Kazhagam
State Government enterprise
Industry Public Transport
Founded 1972
Headquarters Chennai, India
Area served
Tamilnadu, Karnataka, Kerala, Andhra Pradesh, Telangana and Puducherry
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) (Tamil:தமிழ்நாடு அரசுப் போக்குவரத்து கழகம்) is a public transport bus operator in Tamil Nadu, India.[1] It operates Intercity bus services to cities within Tamil Nadu, and from Tamil Nadu to its neighbouring states. It also operates Public transport bus service in many cities of Tamil Nadu, with the exception of Chennai, where the public bus service is operated by MTC, a subsidiary of TNSTC.


TNSTC is fully owned and operated by the 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, Telangana and union territory of Puduchery. .Until 1997, 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.[2] TNSTC owns 321 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) Headquarters Zonal Divisions Area Covered Registration Code
MTC, Chennai Ambedkar (DATC), Pallavan (PTC) Chennai North Chennai, South Chennai Chennai Metropolitan Area and its suburban areas TN-01, TN-02 77/MDS
SETC Thiruvalluvar (TTC), Rajiv Gandhi (RGTC) Chennai N/A Tamil Nadu, Andhra Pradesh, Karnataka, Kerala, Puducherry 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, Pudukottai, 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, Karur. TN-27, TN-29, TN-30 SLM/394
TNSTC, Tirunelveli Kattabomman, Nesamony Tirunelveli Kanniyakumari, Thoothukudi, Tirunelveli TN-72, TN-74 464/TIN
TNSTC, Viluppuram MGR, Pattukottai Azhagiri, Thanthai Periyar Viluppuram Cuddalore, Kanchipuram, Thiruvallur, Tiruvannamalai, Vellore, Viluppuram TN-21, TN-23, TN-25, TN-31, TN-32 19/VPM

Types of buses

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

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.

Other ventures

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 litre 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.


  1. "About TNSTC". Retrieved 20 December 2015.
  2. "Free Bus passes". The Hindu.
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