| 1 | 512 | West - 512B St Clair Replacement Bus towards Keele | 12:09–12:25 | — | unobserved | 30894010 |
| 2 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 12:32–12:53 | — | unobserved | 122158010 |
| 3 | 512 | West - 512B St Clair Replacement Bus towards Keele | 12:56–13:12 | — | unobserved | 42868010 |
| 4 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 13:17–13:38 | — | unobserved | 126126010 |
| 5 | 512 | West - 512B St Clair Replacement Bus towards Keele | 13:38–13:54 | — | unobserved | 85744010 |
| 6 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 13:59–14:20 | 8450 | observed | 55586010 |
| 7 | 512 | West - 512B St Clair Replacement Bus towards Keele | 14:20–14:36 | 8450 | observed | 379010 |
| 8 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 14:41–15:02 | 8450 | observed | 101745010 |
| 9 | 512 | West - 512B St Clair Replacement Bus towards Keele | 15:02–15:18 | 8450 | observed | 67503010 |
| 10 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 15:23–15:44 | 8450 | observed | 112549010 |
| 11 | 512 | West - 512B St Clair Replacement Bus towards Keele | 15:44–16:00 | 8450 | observed | 101285010 |
| 12 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 16:05–16:26 | 8450 | inferred | 16363010 |
| 13 | 512 | West - 512B St Clair Replacement Bus towards Keele | 16:26–16:42 | 8450 | observed | 88057010 |
| 14 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 16:47–17:08 | 8450 | observed | 31612010 |
| 15 | 512 | West - 512B St Clair Replacement Bus towards Keele | 17:08–17:24 | 8450 | observed | 69500010 |
| 16 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 17:29–17:50 | 8450 | observed | 9472010 |
| 17 | 512 | West - 512B St Clair Replacement Bus towards Keele | 17:50–18:06 | 8450 | observed | 121022010 |
| 18 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 18:11–18:32 | 8450 | observed | 59273010 |
| 19 | 512 | West - 512B St Clair Replacement Bus towards Keele | 18:32–18:48 | 8450 | observed | 23398010 |
| 20 | 512 | East - 512B St Clair Replacement Bus towards Lansdowne Station | 18:53–19:14 | 8450 | observed | 17701010 |
| 21 | 512 | West - 512B St Clair Replacement Bus towards Keele | 19:14–19:27 | 8450 | observed | 124367010 |