Here are bus timings from Chennai CMBT to Madhurai Deluxe Buses from TNRTC
| Trip Code | Class of Service | Via Route | Route No | Dept. Time HH:MM |
| 0001CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 00:01 |
| 0010CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 00:10 |
| 0030CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 00:30 |
| 0100CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 01:00 |
| 0130CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 01:30 |
| 0200CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 02:00 |
| 0400CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 04:00 |
| 0445CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 04:45 |
| 0530CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 05:30 |
| 0615CHEMAD | ULTRA DELUXE | CHINGLEPET | H137 | 06:15 |
| 0700CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 07:00 |
| 0745CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 07:45 |
| 0830CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 08:30 |
| 0930CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 09:30 |
| 1000CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 10:00 |
| 1045CHEMAD | ULTRA DELUXE | CHINGLEPET | H137 | 10:45 |
| 1100CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 11:00 |
| 1130CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 11:30 |
| 1200CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 12:00 |
| 1230CHEMAD | ULTRA DELUXE | SPL | 137SPL | 12:30 |
| 1300CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 13:00 |
| 1330CHEMAD | ULTRA DELUXE | SPL | 137SPL | 13:30 |
| 1530CHETUT | ULTRA DELUXE | ARUPPUKOTTAI | 170 | 15:30 |
| 1740CHEALA | ULTRA DELUXE | TIRUNELVELI | H192 | 17:40 |
| 1830CHEPEY | ULTRA DELUXE | MADURAI | 176UD | 18:30 |
| 1850CHESVI | ULTRA DELUXE | TRICHY | 185 | 18:50 |
| 1900CHEMAD | ULTRA DELUXE | TRICHY | 137 | 19:00 |
| 1910CHEMAD | ULTRA DELUXE | SPL | 137SPL | 19:10 |
| 1930CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 19:30 |
| 1945CHETIR | ULTRA DELUXE | TRICHY | 179UD | 19:45 |
| 2000CHEUSI | ULTRA DELUXE | TRICHY | 157 | 20:00 |
| 2010CHEMAD | ULTRA DELUXE | SPL | 137SPL | 20:10 |
| 2015CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 20:15 |
| 2030CHEUSI | ULTRA DELUXE | TRICHY | 157UD | 20:30 |
| 2035CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 20:35 |
| 2045CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 20:45 |
| 2115CHEMAD | ULTRA DELUXE | CHINGLEPET | 137UD | 21:15 |
| 2125CHEMAD | ULTRA DELUXE | SPL | 137SPL | 21:25 |
| 2200CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 22:00 |
| 2215CHETUT | ULTRA DELUXE | ARUPPUKOTTAI | 170UD | 22:15 |
| 2230CHEMAD | ULTRA DELUXE | MALLIGAI | A137 | 22:30 |
| 2235CHEMAD | ULTRA DELUXE | SPL | 137SPL | 22:35 |
| 2245CHEMAD | ULTRA DELUXE | SPL | 137SPL | 22:45 |
| 2300CHEMAD | ULTRA DELUXE | TRICHY | 137 | 23:00 |
| 2315CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 23:15 |
| 2325CHEMAD | ULTRA DELUXE | SPL | 137SPL | 23:25 |
| 2330CHEMAD | ULTRA DELUXE | CHINGLEPET | 137UD | 23:30 |
| 2345CHEMAD | ULTRA DELUXE | TRICHY | 137UD | 23:45 |