| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 321 NEWTON EXCH 321 WHITE ROCK CTR 321 WHITE ROCK CTR | 06:53 | 24:15 | 17:22 | Su (4/06-6/21) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 321 WHITE ROCK CTR | 06:53 | 07:46 | 00:53 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 07:58 | 08:40 | 00:42 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 09:00 | 09:44 | 00:44 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 10:00 | 10:45 | 00:45 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 11:00 | 11:52 | 00:52 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 12:16 | 13:07 | 00:51 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 13:15 | 14:10 | 00:55 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 14:31 | 15:22 | 00:51 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 15:30 | 16:25 | 00:55 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 16:45 | 17:36 | 00:51 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 17:45 | 18:39 | 00:54 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 19:01 | 19:51 | 00:50 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 20:00 | 20:46 | 00:46 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 21:03 | 21:47 | 00:44 | Su (4/06-6/21) +4/10 +5/18 |
| 321 WHITE ROCK CTR | 22:00 | 22:44 | 00:44 | Su (4/06-6/21) +4/10 +5/18 |
| 321 SURREY CTRL STN | 23:00 | 23:42 | 00:42 | Su (4/06-6/21) +4/10 +5/18 |
| 321 NEWTON EXCH | 24:00 | 24:15 | 00:15 | Su (4/06-6/21) +4/10 +5/18 |