Tamilnadu State Transport Corporation operates economic air conditioned service from Karur to Salem on daily basis, the schedule is operated by TNSTC Salem division. The coach operated for the service is Air Conditioned Coach made by private coach builder at Karur, the coach seating alignment is 3*2, air conditioned coach with vents and mobile charging ports.

Below is updated timings of TNSTC AC Service from Karur to Salem operated by TNSTC Salem Division.
- 12.00 AM
- 10.00 AM
- 10.55 AM
- 04.48 PM
- 05.40 PM
- 11.45 PM
Daily 6 services are operated on daily basis from Karur to Salem and Salem to Karur.
At present, the schedule is not available for online booking on the both sides and would be available in the future.
For Non AC Bus Timings from Salem to Karur – Click Here
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