| S21HET MTC Bus Route | ||||||
| Route No | Service Type | Origin | Destination | Journey Time [in Min.] | ||
| S21HET | Deluxe | THIRUVETRIYUR B.S | KELAMBAKKAM | 115 | ||
| Stage No. | Stage Names | |||||
| 1. | THIRUVETRIYUR B.S | |||||
| 2. | THIRUVOTRIYUR TEMPLE | |||||
| 3. | THANGAL | |||||
| 4. | N4 POLICE STATION | |||||
| 5. | ROYAPURAM P.S | |||||
| 6. | CLIVE BATTERY | |||||
| 7. | PARRYS | |||||
| 8. | BROADWAY | |||||
| 9. | SECRETARIAT | |||||
| 10. | CHEPAUK | |||||
| 11. | Q.M.C | |||||
| 12. | FORE SHORE ESTATE | |||||
| 13. | A.M.S.HOSPITAL | |||||
| 14. | ADAYAR O.T. | |||||
| 15. | LATTICE BRIDGE RD. JN. | |||||
| 16. | KANDANCHAVADI | |||||
| 17. | THORAPPAKKAM TEA SHOP | |||||
| 18. | MOOTAKARAN CHAVADI | |||||
| 19. | KARAPAKKAM | |||||
| 20. | SOZHINGANALLUR P.U.OFFICE | |||||
| 21. | KUMARAN NAGAR | |||||
| 22. | CHEMMAN CHERI | |||||
| 23. | NAVALUR | |||||
| 24. | CHURCH | |||||
| 25. | PALAVASTHIC CHEMICALS | |||||
| 26. | HINDUSTAL EGG. COLLEGE | |||||
| 27. | KELAMBAKKAM | |||||