As you are aware that state-owned transport have introduced a new fleet of air conditioned buses across Tamilnadu. New bus service introduced recently into fleet is our own Chennai To Karur and Karur to Chennai AC buses. The fleet is operated by dual buses in a day from Chennai to Karur. 

Chennai To Salem TSS Service via Athur Anagalakurichi Villupuram  The service is operated by Salem Division of TNSTC, the bus is made in Ashok Leyland chasis with 3*2 seater.  The service is categorised as Express Service.TN 30 N1397

For the comfort of daily commuters, TNSTC has introduced Dharampuri to Chennai Express Service. The service starts from Dharmapuri and ends at CMBT. The Dharmapuri Chennai Express is a premium service for TNSTC and operated by Vellore Depot. The service travels through Vellore Ambur to reach its destination at Dharmapuri. The bus route is tagged [...]

SETC operates buses between Thoothukudi to Chennai below is a image of SETC UD running between Thoothukudi and Chennai. The bus that operates portrait below is a non ac variant with push back and air suspension feature. The bus is operated from Chennai at CMBT Chennai Moffusil Bus Terminal, The bus departs from CMBT at 5 [...]