| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 NEW WEST STN 321 SURREY CTRL STN 321 WHITE ROCK CTR 321 WHITE ROCK CTR | 05:15 | 24:41 | 19:26 | Su (4/12-6/20) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 WHITE ROCK CTR | 05:15 | 05:54 | 00:39 | Su (4/12-6/20) +5/24 |
| 321 NEW WEST STN | 06:10 | 07:10 | 01:00 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 07:23 | 08:20 | 00:57 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 08:30 | 09:09 | 00:39 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 09:30 | 10:21 | 00:51 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 10:28 | 11:09 | 00:41 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 11:30 | 12:22 | 00:52 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 12:29 | 13:15 | 00:46 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 13:36 | 14:31 | 00:55 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 14:47 | 15:34 | 00:47 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 15:48 | 16:43 | 00:55 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 17:01 | 17:46 | 00:45 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 18:00 | 18:54 | 00:54 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 19:12 | 19:58 | 00:46 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 20:12 | 20:58 | 00:46 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 21:04 | 21:46 | 00:42 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 22:00 | 22:44 | 00:44 | Su (4/12-6/20) +5/24 |
| 321 SURREY CTRL STN | 23:07 | 23:45 | 00:38 | Su (4/12-6/20) +5/24 |
| 321 WHITE ROCK CTR | 24:00 | 24:41 | 00:41 | Su (4/12-6/20) +5/24 |