Started with 276 buses, the corporation now runs more than one thousand buses all across Tamil Nadu and adjoining states including Karnataka, Kerala, Andhra Pradesh and Union Territory of Pondicherry.
Headquartered at Chennai, SETC mainly operates long distance buses exceeding 250 kilometers or above. Being a government undertaking, it is considered as one of the most trusted bus services among the general public.
The contact telephone numbers of SETC Enquiry at Shantinagar BMTC Bus Station are  
Phone number :080-22113438 and 22113454.
Eticket URL: SETC/TNSTC online URL
Mobile ticketing URL: http://m.tnstc.in/