| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 321 WHITE ROCK CTR | 11:59 | 22:29 | 10:30 | Su (4/06-5/17) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 SURREY CTRL STN | 11:59 | 12:50 | 00:51 | Su (4/06-5/17) +4/10 |
| 321 WHITE ROCK CTR | 13:00 | 13:55 | 00:55 | Su (4/06-5/17) +4/10 |
| 321 SURREY CTRL STN | 14:16 | 15:07 | 00:51 | Su (4/06-5/17) +4/10 |
| 321 WHITE ROCK CTR | 15:15 | 16:10 | 00:55 | Su (4/06-5/17) +4/10 |
| 321 SURREY CTRL STN | 16:30 | 17:21 | 00:51 | Su (4/06-5/17) +4/10 |
| 321 WHITE ROCK CTR | 17:30 | 18:24 | 00:54 | Su (4/06-5/17) +4/10 |
| 321 SURREY CTRL STN | 18:46 | 19:36 | 00:50 | Su (4/06-5/17) +4/10 |
| 321 WHITE ROCK CTR | 19:45 | 20:35 | 00:50 | Su (4/06-5/17) +4/10 |
| 321 SURREY CTRL STN | 20:48 | 21:32 | 00:44 | Su (4/06-5/17) +4/10 |
| 321 WHITE ROCK CTR | 21:45 | 22:29 | 00:44 | Su (4/06-5/17) +4/10 |