| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 321 WHITE ROCK CTR | 15:24 | 18:38 | 03:14 | MTuWThF (4/06-6/21) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 SURREY CTRL STN | 15:24 | 16:20 | 00:56 | MTuWThF (4/06-6/21) -4/10 -5/18 |
| 321 WHITE ROCK CTR | 16:32 | 17:37 | 01:05 | MTuWThF (4/06-6/21) -4/10 -5/18 |
| 321 SURREY CTRL STN | 17:50 | 18:38 | 00:48 | MTuWThF (4/06-6/21) -4/10 -5/18 |