Assignment history for 503 023
| Vehicle | Date | Model |
| 18121 | 2026/11/08 | 2018 NFI XN40 |
| 24105 | 2026/11/01 | |
| 19117 | 2026/10/25 | 2019 NFI XN40 |
| 18142 | 2026/10/24 | 2018 NFI XN40 |
| 9656 | 2026/10/17 | 2007 Nova Bus LFS |
| 7475 | 2026/10/11 | 2006 NFI D40LFR |
| 18118 | 2026/10/04 | 2018 NFI XN40 |
| 16128 | 2026/10/03 | 2016 NFI XD40 |