| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 321 WHITE ROCK CTR | 13:31 | 19:03 | 05:32 | Sa (4/12-6/20) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 WHITE ROCK CTR | 13:31 | 14:28 | 00:57 | Sa (4/12-6/20) |
| 321 SURREY CTRL STN | 14:43 | 15:37 | 00:54 | Sa (4/12-6/20) |
| 321 WHITE ROCK CTR | 15:55 | 16:53 | 00:58 | Sa (4/12-6/20) |
| 321 SURREY CTRL STN | 17:12 | 18:02 | 00:50 | Sa (4/12-6/20) |
| 321 WHITE ROCK CTR | 18:07 | 19:03 | 00:56 | Sa (4/12-6/20) |