1. Establishment as Anna Transport Corporation (1973):
- Formation Date: 15.02.1973
- Headquarters: Salem, covering Salem and Dharmapuri Districts
- Initial Fleet: 63 Buses from Tamil Nadu State Transport Department and Ex-servicemen Co-Operative Motor Transport Society (18 Buses)
- Branches: 5
2. Expansion and Bifurcation (1987):
- Growth: Fleet expanded to 995 Buses by 31.03.1987 across 22 branches
- Bifurcation: Committee recommendation led to the formation of Annai Sathya Transport Corporation Limited with Dharmapuri as headquarters
3. Renaming and Reorganization (1997):
- Name Changes: Anna Transport Corporation Limited, Salem to Tamil Nadu State Transport Corporation (Salem Division-I) Limited Salem; Annai Sathya Transport Corporation Limited, Dharmapuri to Tamil Nadu State Transport Corporation (Salem Division-II) Limited, Dharmapuri
4. Merger and Rebranding (2003):
- Government Decision: Amalgamation of Tamil Nadu State Transport Corporation (Salem Division-II) Limited, Dharmapuri, with Tamil Nadu State Transport Corporation (Salem Division-I) Limited, Salem
- Merger Process: Executed per Order No: 1478 E, dated: 30.12.2003, and notified in Government of India Gazette No: 1160, dated: 30.12.2003
- Post-Merger Name Change: Tamil Nadu State Transport Corporation (Salem Division I) Limited, Salem rebranded as “Tamil Nadu State Transport Corporation (Salem) Limited, Salem”
5. Operational Jurisdiction and Facilities:
- Operational Area: Covers Salem, Namakkal, Dharmapuri, Thiruppathur, and Krishnagiri Districts
- Current Operations: Operates with a fleet of 2049 buses across 32 branches
- Additional Facilities: Includes a Body Building Unit, Tyre Plant, and RC section
6. Fleet Strength Breakdown:
- Town Service: 837 buses
- Mofussil Service: 1038 buses
- Ghat Service: 25 buses
- Spare: 149 buses