| Headsigns | Start | End | Duration | Schedule |
|---|---|---|---|---|
4 Powell 4 Powell 4 UBC | 07:01 | 18:12 | 11:11 | Sa (6/23-8/31) |
| Headsign | Start | End | Duration | Service days |
|---|---|---|---|---|
| 4 Powell | 07:01 | 07:45 | 00:44 | Sa (6/23-8/31) |
| 4 UBC | 07:56 | 08:53 | 00:57 | Sa (6/23-8/31) |
| 4 Powell | 09:10 | 10:06 | 00:56 | Sa (6/23-8/31) |
| 4 UBC | 10:15 | 11:20 | 01:05 | Sa (6/23-8/31) |
| 4 Powell | 11:38 | 12:43 | 01:05 | Sa (6/23-8/31) |
| 4 UBC | 12:53 | 14:03 | 01:10 | Sa (6/23-8/31) |
| 4 Powell | 14:17 | 15:27 | 01:10 | Sa (6/23-8/31) |
| 4 UBC | 15:38 | 16:53 | 01:15 | Sa (6/23-8/31) |
| 4 Powell | 17:06 | 18:12 | 01:06 | Sa (6/23-8/31) |