| 1 | 501 | West - 501B Queen Replacement Bus towards York | 11:46–12:23 | 8612 | observed | 82898010 |
| 2 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 12:27–12:57 | 8612 | observed | 67692010 |
| 3 | 501 | West - 501B Queen Replacement Bus towards York | 13:00–13:37 | 8612 | observed | 86729010 |
| 4 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 13:39–14:09 | 8612 | observed | 48534010 |
| 5 | 501 | West - 501B Queen Replacement Bus towards York | 14:12–14:49 | 8612 | observed | 44971010 |
| 6 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 14:51–15:21 | 8612 | observed | 23082010 |
| 7 | 501 | West - 501B Queen Replacement Bus towards York | 15:24–16:01 | 8612 | observed | 30990010 |
| 8 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 16:03–16:33 | 8612 | observed | 67505010 |
| 9 | 501 | West - 501B Queen Replacement Bus towards York | 16:36–17:13 | 8612 | observed | 81979010 |
| 10 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 17:15–17:45 | 8612 | observed | 52442010 |
| 11 | 501 | West - 501B Queen Replacement Bus towards York | 17:48–18:25 | 8612 | observed | 68264010 |
| 12 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 18:27–18:57 | 8612 | observed | 39113010 |
| 13 | 501 | West - 501B Queen Replacement Bus towards York | 19:00–19:32 | 8612 | observed | 78652010 |
| 14 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 19:34–20:01 | 8612 | observed | 62169010 |
| 15 | 501 | West - 501B Queen Replacement Bus towards York | 20:10–20:42 | 8612 | observed | 28707010 |
| 16 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 20:44–21:11 | 8612 | observed | 22575010 |
| 17 | 501 | West - 501B Queen Replacement Bus towards York | 21:20–21:52 | 8612 | observed | 45745010 |
| 18 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 21:54–22:21 | — | unobserved | 56176010 |
| 19 | 501 | West - 501B Queen Replacement Bus towards York | 22:30–22:58 | — | unobserved | 75015010 |
| 20 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 23:02–23:26 | 8527 | observed | 58493010 |
| 21 | 501 | West - 501B Queen Replacement Bus towards York | 23:30–23:58 | 8527 | observed | 76537010 |
| 22 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 00:02 +1–00:26 +1 | 8527 | observed | 48049010 |
| 23 | 501 | West - 501B Queen Replacement Bus towards York | 00:30 +1–00:58 +1 | 8527 | observed | 11317010 |
| 24 | 501 | East - 501B Queen Replacement Bus towards Kingston Rd | 01:02 +1–01:26 +1 | 8527 | observed | 88978010 |