Assignment history for 503 021
| Vehicle | Date | Model |
| 7477 | 2025/11/01 | 2006 NFI D40LFR |
| 9688 | 2025/10/31 | 2007 Nova Bus LFS |
| 18376 | 2025/10/31 | 2018 Nova Bus LFS HEV |
| 16108 | 2025/10/30 | 2016 NFI XD40 |
| 18149 | 2025/10/29 | 2018 NFI XN40 |
| 19138 | 2025/10/28 | 2019 NFI XN40 |
| 19131 | 2025/10/25 | 2019 NFI XN40 |
| 9703 | 2025/10/24 | 2007 Nova Bus LFS |
| 24117 | 2025/10/23 | |
| 19121 | 2025/10/22 | 2019 NFI XN40 |
| 18382 | 2025/10/21 | 2018 Nova Bus LFS HEV |
| 24122 | 2025/10/18 | |
| 18376 | 2025/10/17 | 2018 Nova Bus LFS HEV |
| 18149 | 2025/10/16 | 2018 NFI XN40 |
| 19144 | 2025/10/15 | 2019 NFI XN40 |
| 18148 | 2025/10/11 | 2018 NFI XN40 |
| 18119 | 2025/10/10 | 2018 NFI XN40 |
| 16105 | 2025/10/09 | 2016 NFI XD40 |
| 9669 | 2025/10/08 | 2007 Nova Bus LFS |
| 18106 | 2025/10/07 | 2018 NFI XN40 |
| 18125 | 2025/10/04 | 2018 NFI XN40 |
| 18362 | 2025/10/03 | 2018 Nova Bus LFS HEV |
| 24120 | 2025/10/02 | |
| 18134 | 2025/09/30 | 2018 NFI XN40 |
| 24127 | 2025/09/27 | |
| 24105 | 2025/09/26 | |
| 18116 | 2025/09/23 | 2018 NFI XN40 |
| 18365 | 2025/09/20 | 2018 Nova Bus LFS HEV |
| 16130 | 2025/09/19 | 2016 NFI XD40 |
| 24125 | 2025/09/18 | |
| 19135 | 2025/09/17 | 2019 NFI XN40 |
| 18162 | 2025/09/16 | 2018 NFI XN40 |
| 16130 | 2025/09/13 | 2016 NFI XD40 |
| 18116 | 2025/09/12 | 2018 NFI XN40 |
| 18369 | 2025/09/11 | 2018 Nova Bus LFS HEV |
| 19144 | 2025/09/10 | 2019 NFI XN40 |
| 16115 | 2025/09/09 | 2016 NFI XD40 |