Admin
For GUDIYATHAM to AMBUR TNSTC bus timings and Ticket Booking, please visit the official TNSTC Reservation Centre for the latest and reliable information on schedules, routes, and ticket prices Tamil Nadu operates this center, and you can also check as a traveler SETC online bus booking and obtain information on SETC bus timings and fares.
| Route | Source | Source Time | Destination | Destination Time | Class | STU |
| 329 A | GUDIYATHAM | 20:55:00 | AMBUR | 22:15:00 | ORD | TNSTC-VPM |
| 80 A | GUDIYATHAM | 7:05:00 | AMBUR | 8:25:00 | EXP | TNSTC-VPM |
| 84 S | GUDIYATHAM | 6:50:00 | AMBUR | 8:05:00 | EXP | TNSTC-VPM |
| A 5 A | GUDIYATHAM | 5:40:00 | AMBUR | 6:40:00 | ORD | TNSTC-VPM |
| A 5 A | GUDIYATHAM | 8:50:00 | AMBUR | 9:50:00 | ORD | TNSTC-VPM |
| A 5 A | GUDIYATHAM | 11:10:00 | AMBUR | 12:10:00 | ORD | TNSTC-VPM |
| A 5 A | GUDIYATHAM | 13:30:00 | AMBUR | 14:30:00 | ORD | TNSTC-VPM |
| A 5 A | GUDIYATHAM | 17:25:00 | AMBUR | 18:25:00 | ORD | TNSTC-VPM |
| A 5 A | GUDIYATHAM | 19:50:00 | AMBUR | 20:50:00 | ORD | TNSTC-VPM |
| A 5BA | GUDIYATHAM | 6:20:00 | AMBUR | 7:40:00 | ORD | TNSTC-VPM |
| A 5BA | GUDIYATHAM | 9:15:00 | AMBUR | 10:35:00 | ORD | TNSTC-VPM |
| A 5BA | GUDIYATHAM | 12:10:00 | AMBUR | 13:30:00 | ORD | TNSTC-VPM |
| A 5BA | GUDIYATHAM | 15:45:00 | AMBUR | 17:05:00 | ORD | TNSTC-VPM |
| A 5BA | GUDIYATHAM | 19:30:00 | AMBUR | 20:50:00 | ORD | TNSTC-VPM |
| A 5BB | GUDIYATHAM | 7:50:00 | AMBUR | 9:10:00 | ORD | TNSTC-VPM |
| A 5BB | GUDIYATHAM | 10:40:00 | AMBUR | 12:00:00 | ORD | TNSTC-VPM |
| A 5BB | GUDIYATHAM | 13:45:00 | AMBUR | 15:00:00 | ORD | TNSTC-VPM |
| A 5BB | GUDIYATHAM | 16:30:00 | AMBUR | 17:50:00 | ORD | TNSTC-VPM |
| A 5BB | GUDIYATHAM | 21:10:00 | AMBUR | 22:30:00 | ORD | TNSTC-VPM |
| G 1AA | GUDIYATHAM | 5:10:00 | AMBUR | 6:00:00 | ORD | TNSTC-VPM |
| G 1AA | GUDIYATHAM | 19:05:00 | AMBUR | 20:05:00 | ORD | TNSTC-VPM |
| G 5 A | GUDIYATHAM | 4:30:00 | AMBUR | 5:30:00 | ORD | TNSTC-VPM |
| G 5 A | GUDIYATHAM | 7:45:00 | AMBUR | 8:45:00 | ORD | TNSTC-VPM |
| G 5 A | GUDIYATHAM | 10:25:00 | AMBUR | 11:25:00 | ORD | TNSTC-VPM |
| G 5 A | GUDIYATHAM | 13:10:00 | AMBUR | 14:10:00 | ORD | TNSTC-VPM |
| G 5 A | GUDIYATHAM | 15:55:00 | AMBUR | 17:00:00 | ORD | TNSTC-VPM |
| G 5 A | GUDIYATHAM | 18:55:00 | AMBUR | 19:55:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 4:40:00 | AMBUR | 5:50:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 7:10:00 | AMBUR | 8:10:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 9:50:00 | AMBUR | 10:50:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 12:35:00 | AMBUR | 13:35:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 14:55:00 | AMBUR | 15:55:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 17:30:00 | AMBUR | 18:30:00 | ORD | TNSTC-VPM |
| G 5AA | GUDIYATHAM | 20:10:00 | AMBUR | 21:10:00 | ORD | TNSTC-VPM |
| G10 B | GUDIYATHAM | 18:50:00 | AMBUR | 20:20:00 | ORD | TNSTC-VPM |
| G15 A | GUDIYATHAM | 6:50:00 | AMBUR | 7:50:00 | ORD | TNSTC-VPM |
| G15 A | GUDIYATHAM | 10:00:00 | AMBUR | 11:00:00 | ORD | TNSTC-VPM |
| G15 A | GUDIYATHAM | 12:50:00 | AMBUR | 13:50:00 | ORD | TNSTC-VPM |
| G15 A | GUDIYATHAM | 15:30:00 | AMBUR | 16:30:00 | ORD | TNSTC-VPM |
| G15 A | GUDIYATHAM | 18:40:00 | AMBUR | 19:40:00 | ORD | TNSTC-VPM |
| G15 A | GUDIYATHAM | 22:00:00 | AMBUR | 23:00:00 | ORD | TNSTC-VPM |
| G15AA | GUDIYATHAM | 8:15:00 | AMBUR | 9:15:00 | ORD | TNSTC-VPM |
| G15AA | GUDIYATHAM | 11:30:00 | AMBUR | 12:30:00 | ORD | TNSTC-VPM |
| G15AA | GUDIYATHAM | 14:10:00 | AMBUR | 15:10:00 | ORD | TNSTC-VPM |
| G15AA | GUDIYATHAM | 18:10:00 | AMBUR | 19:10:00 | ORD | TNSTC-VPM |
| G15AA | GUDIYATHAM | 21:00:00 | AMBUR | 21:50:00 | ORD | TNSTC-VPM |
| G22 A | GUDIYATHAM | 6:30:00 | AMBUR | 7:40:00 | ORD | TNSTC-VPM |
| G24 A | GUDIYATHAM | 12:05:00 | AMBUR | 13:05:00 | ORD | TNSTC-VPM |