| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 321 WHITE ROCK CTR | 10:45 | 17:14 | 06:29 | Sa (4/12-6/20) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 WHITE ROCK CTR | 10:45 | 11:38 | 00:53 | Sa (4/12-6/20) |
| 321 SURREY CTRL STN | 11:45 | 12:37 | 00:52 | Sa (4/12-6/20) |
| 321 WHITE ROCK CTR | 12:55 | 13:51 | 00:56 | Sa (4/12-6/20) |
| 321 SURREY CTRL STN | 13:57 | 14:49 | 00:52 | Sa (4/12-6/20) |
| 321 WHITE ROCK CTR | 15:07 | 16:05 | 00:58 | Sa (4/12-6/20) |
| 321 SURREY CTRL STN | 16:21 | 17:14 | 00:53 | Sa (4/12-6/20) |