| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
4 Powell 4 Powell 4 UBC | 08:20 | 19:13 | 10:53 | Sa (6/23-8/31) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 4 Powell | 08:20 | 08:39 | 00:19 | Sa (6/23-8/31) |
| 4 UBC | 08:47 | 09:47 | 01:00 | Sa (6/23-8/31) |
| 4 Powell | 10:01 | 11:01 | 01:00 | Sa (6/23-8/31) |
| 4 UBC | 11:12 | 12:21 | 01:09 | Sa (6/23-8/31) |
| 4 Powell | 12:40 | 13:47 | 01:07 | Sa (6/23-8/31) |
| 4 UBC | 14:05 | 15:17 | 01:12 | Sa (6/23-8/31) |
| 4 Powell | 15:29 | 16:37 | 01:08 | Sa (6/23-8/31) |
| 4 UBC | 16:47 | 17:59 | 01:12 | Sa (6/23-8/31) |
| 4 Powell | 18:09 | 19:13 | 01:04 | Sa (6/23-8/31) |