| Train | Source | Destination | Days Run from Thanjavur Jn. |
| 16866 - Uzhavan Express | Thanjavur Jn. (TJ) | Chennai Egmore (MS) | Mon Tue Wed Fri Sat Sun |
| # | Station | Arrival | Departure | Halt | Distance | Day |
| 1 | Thanjavur Jn. (TJ) | Source | 09:50 PM | 0 Mins | 0 KMs | 1 |
| 2 | Papanasam (PML) | 10:11 PM | 10:12 PM | 1 Mins | 25 KMs | 1 |
| 3 | Kumbakonam (KMU) | 10:23 PM | 10:25 PM | 2 Mins | 39 KMs | 1 |
| 4 | Aduturai (ADT) | 10:37 PM | 10:38 PM | 1 Mins | 51 KMs | 1 |
| 5 | Kuttalam (KTM) | 10:50 PM | 10:51 PM | 1 Mins | 62 KMs | 1 |
| 6 | Mayiladuturai Jn (MV) | 11:03 PM | 11:05 PM | 2 Mins | 70 KMs | 1 |
| 7 | Vaithisvarankoil (VDL) | 11:20 PM | 11:21 PM | 1 Mins | 84 KMs | 1 |
| 8 | Sirkazhi (SY) | 11:26 PM | 11:27 PM | 1 Mins | 90 KMs | 1 |
| 9 | Chidambaram (CDM) | 11:44 PM | 11:46 PM | 2 Mins | 107 KMs | 1 |
| 10 | Cuddalore Port Jn. (CUPJ) | 12:15 AM | 12:16 AM | 1 Mins | 146 KMs | 2 |
| 11 | Villupuram Jn (VM) | 01:38 AM | 01:40 AM | 2 Mins | 192 KMs | 2 |
| 12 | Tindivanam (TMV) | 02:13 AM | 02:15 AM | 2 Mins | 230 KMs | 2 |
| 13 | Chengalpattu Jn. (CGL) | 03:03 AM | 03:05 AM | 2 Mins | 295 KMs | 2 |
| 14 | Tambaram (TBM) | 03:33 AM | 03:35 AM | 2 Mins | 326 KMs | 2 |
| 15 | Mambalam (MBM) | 03:53 AM | 03:55 AM | 2 Mins | 344 KMs | 2 |
| 16 | Chennai Egmore (MS) | 04:25 AM | Destination | 0 Mins | 351 KMs | 2 |