| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
4 Powell 4 Powell 4 UBC | 08:46 | 20:16 | 11:30 | Sa (6/23-8/31) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 4 Powell | 08:46 | 09:37 | 00:51 | Sa (6/23-8/31) |
| 4 UBC | 09:47 | 10:49 | 01:02 | Sa (6/23-8/31) |
| 4 Powell | 11:02 | 12:05 | 01:03 | Sa (6/23-8/31) |
| 4 UBC | 12:15 | 13:26 | 01:11 | Sa (6/23-8/31) |
| 4 Powell | 13:41 | 14:49 | 01:08 | Sa (6/23-8/31) |
| 4 UBC | 15:02 | 16:16 | 01:14 | Sa (6/23-8/31) |
| 4 Powell | 16:30 | 17:36 | 01:06 | Sa (6/23-8/31) |
| 4 UBC | 17:46 | 18:57 | 01:11 | Sa (6/23-8/31) |
| 4 Powell | 19:12 | 20:16 | 01:04 | Sa (6/23-8/31) |