| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 321 WHITE ROCK CTR | 06:08 | 22:05 | 15:57 | Su (4/12-6/20) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 WHITE ROCK CTR | 06:08 | 06:49 | 00:41 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 06:59 | 07:38 | 00:39 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 07:50 | 08:33 | 00:43 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 08:45 | 09:24 | 00:39 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 09:45 | 10:36 | 00:51 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 10:43 | 11:24 | 00:41 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 11:45 | 12:37 | 00:52 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 12:45 | 13:32 | 00:47 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 13:48 | 14:43 | 00:55 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 14:59 | 15:46 | 00:47 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 16:00 | 16:55 | 00:55 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 17:13 | 17:58 | 00:45 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 18:12 | 19:06 | 00:54 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 19:27 | 20:10 | 00:43 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 20:24 | 21:10 | 00:46 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 21:25 | 22:05 | 00:40 | Su (4/12-6/20) +5/24 |