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Tamil Nadu State Transport Corporation

Tamil Nadu State Transport Corporation Limited (TNSTC) is a public transport bus operator in Tamil Nadu, India.[2] It operates Intercity bus services to cities within Tamil Nadu, and from Tamil Nadu to its neighbouring states with a combined fleet strength of 22203[3] buses as of 2016-17.[4] 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.

Tamil Nadu State Transport Corporation Limited
Native name
தமிழ்நாடு அரசு போக்குவரத்துக் கழகம்
State Government enterprise
IndustryPublic Transport
Area served
Tamil Nadu, Karnataka, Kerala, Andhra Pradesh and Puducherry
ProductsBus transport and cargo transport services
OwnerGovernment of Tamil Nadu
Number of employees
1,48,411 (31-Mar-2016)[1]
ParentDepartment of Transport (Tamil Nadu)
TNSTC buses parked at Tiruchirappalli Central bus stand


TNSTC is fully owned and operated by the Government of Tamil Nadu. TNSTC has started online booking facilities [1] to book bus tickets between major cities served by TNSTC. 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. Until 1997, transport corporation was bifurcated into 21 divisions which was later merged to form 8 divisions. 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. TNSTC is the largest government bus transport corporation in India also biggest corporation in the world after bifurcation of APSRTC.


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 Coimbatore
TNSTC, Kumbakonam Chozhan, Dheeran Chinnamalai, Marudhu Pandiar, Veeran Azhagu Muthukone Kumbakonam Ariyalur, Karur, Nagapattinam, Perambalur, Pudukottai, Ramanathapuram, Sivagangai, Thanjavur, Thiruvarur, Tiruchirapalli, Chidambaram, Karaikal (Pondicherry) TN-45,TN-46,TN-49, TN-47, TN-51, TN-55, TN-63, TN-68 454/TAJ Thanjavur
TNSTC, Madurai Pandiyan, Rani Mangammal, Veeran Sundaralingam Madurai Dindigul, Madurai, Theni, Virudhunagar TN-57, TN-58, TN-59, TN-67 459/MDU Madurai
TNSTC, Salem Anna, Annai Sathya Salem Dharmapuri, Krishnagiri, Namakkal, Salem TN-27, TN-29, TN-30 394/SLM Salem
TNSTC, Tirunelveli Kattabomman, Nesamony Tirunelveli Tirunelveli, Tuticorin, Kanniyakumari, Tenkasi TN-72, TN-74 464/TIN Tirunelveli
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 Viluppuram

Types of busesEdit

An intra-city TNSTC bus serving Salem

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

  • Town buses and low floor buses, operated on inter city routes.
  • Moffussil buses, largest in its stable, ply on inter town routes and cater to a majority of the traffic
  • Deluxe buses operated between major Cities.
  • Ultra deluxe coaches with recliner seats, operated between important commercial centers to major cities.
  • Air conditioned buses operated in intra city routes operated by MTC.
  • Air conditioned busses with 3*2 seat configuration named as Economy AC services were introduced in 2019 connecting all district head quarters to major towns.
  • SETC operates Air conditioned buses from all district headquarters to Chennai.
TNSTC AC bus operated by Coimbatore division

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. All divisions have individual own coach building units.

Other venturesEdit

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 (Amma Packaged drinking water) 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 ₹10 per bottle, and the production plant is set up in Gummidipoondi in Thiruvallur district.


  1. ^
  2. ^ "About TNSTC". Retrieved 20 December 2015.
  3. ^
  4. ^ "Policy Note of Transport Department- 2016-2017" (PDF). Retrieved 25 February 2017.

External linksEdit