| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
321 SURREY CTRL STN 323 SURREY CTRL STN 335 NEWTON EXCH 501 SURREY CTRL STN 321 NEWTON EXCH 323 NEWTON EXCH 335 SURREY CTRL STN 501 LANGLEY CTR | 06:30 | 26:32 | 20:02 | Sa (4/12-6/20) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 501 SURREY CTRL STN | 06:30 | 07:15 | 00:45 | Sa (4/12-6/20) |
| 501 LANGLEY CTR | 07:25 | 08:18 | 00:53 | Sa (4/12-6/20) |
| 501 SURREY CTRL STN | 08:26 | 09:15 | 00:49 | Sa (4/12-6/20) |
| 501 LANGLEY CTR | 09:25 | 10:20 | 00:55 | Sa (4/12-6/20) |
| 501 SURREY CTRL STN | 10:40 | 11:35 | 00:55 | Sa (4/12-6/20) |
| 501 LANGLEY CTR | 11:45 | 12:46 | 01:01 | Sa (4/12-6/20) |
| 501 SURREY CTRL STN | 12:57 | 13:55 | 00:58 | Sa (4/12-6/20) |
| 501 LANGLEY CTR | 14:05 | 15:05 | 01:00 | Sa (4/12-6/20) |
| 501 SURREY CTRL STN | 15:15 | 16:15 | 01:00 | Sa (4/12-6/20) |
| 335 NEWTON EXCH | 16:20 | 17:12 | 00:52 | Sa (4/12-6/20) |
| 335 SURREY CTRL STN | 17:20 | 18:08 | 00:48 | Sa (4/12-6/20) |
| 335 NEWTON EXCH | 18:21 | 19:11 | 00:50 | Sa (4/12-6/20) |
| 335 SURREY CTRL STN | 19:26 | 20:10 | 00:44 | Sa (4/12-6/20) |
| 335 NEWTON EXCH | 20:15 | 21:01 | 00:46 | Sa (4/12-6/20) |
| 335 SURREY CTRL STN | 21:17 | 22:00 | 00:43 | Sa (4/12-6/20) |
| 335 NEWTON EXCH | 22:15 | 22:57 | 00:42 | Sa (4/12-6/20) |
| 335 SURREY CTRL STN | 23:18 | 23:56 | 00:38 | Sa (4/12-6/20) |
| 335 NEWTON EXCH | 24:14 | 24:55 | 00:41 | Sa (4/12-6/20) |
| 323 SURREY CTRL STN | 25:00 | 25:23 | 00:23 | Sa (4/12-6/20) |
| 323 NEWTON EXCH | 25:30 | 25:51 | 00:21 | Sa (4/12-6/20) |
| 321 SURREY CTRL STN | 25:57 | 26:10 | 00:13 | Sa (4/12-6/20) |
| 321 NEWTON EXCH | 26:16 | 26:32 | 00:16 | Sa (4/12-6/20) |