Pima County / Bus
Regional Transportation Authority of Pima County 421X schedule and full timetable
Green Valley/Sahuarita Express Northbound · America/Creston
Selected branch: Ronstadt Transit Center · 11 stops. Service day: Thursday, October 29, 2026.
Regional Transportation Authority of Pima County 421X full stop-by-trip timetable
All stops on the selected branch, October 29, 2026. 10 fixed scheduled trips; showing 1–10. Frequency service is listed in the boarding schedule below. A dash means the agency supplies no time.
| Stop / trip | Trip 1 | Trip 2 | Trip 3 | Trip 4 | Trip 5 | Trip 6 | Trip 7 | Trip 8 | Trip 9 | Trip 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| SS/La Canada Dr/Trader Ln (NE) | 5:00 AM | 6:30 AM | 8:00 AM | 9:30 AM | 11:00 AM | 12:30 PM | 2:00 PM | 3:30 PM | 5:00 PM | 6:30 PM |
| SS/Duval Mine Rd/La Canada Dr (SE) | 5:07 AMEstimated | 6:37 AMEstimated | 8:07 AMEstimated | 9:37 AMEstimated | 11:07 AMEstimated | 12:37 PMEstimated | 2:07 PMEstimated | 3:37 PMEstimated | 5:07 PMEstimated | 6:37 PMEstimated |
| SS/Nogales Hy/Abrego Dr (NW) | 5:10 AMEstimated | 6:40 AMEstimated | 8:10 AMEstimated | 9:40 AMEstimated | 11:10 AMEstimated | 12:40 PMEstimated | 2:10 PMEstimated | 3:40 PMEstimated | 5:10 PMEstimated | 6:40 PMEstimated |
| SS/Nogales Hy/C Arroyo Sur (NW) | 5:11 AM | 6:41 AM | 8:11 AM | 9:41 AM | 11:11 AM | 12:41 PM | 2:11 PM | 3:41 PM | 5:11 PM | 6:41 PM |
| SS/Sahuarita Rd/Desert Gem (SW) | 5:21 AM | 6:51 AM | 8:21 AM | 9:51 AM | 11:21 AM | 12:51 PM | 2:21 PM | 3:50 PM | 5:20 PM | 6:50 PM |
| SS/Rancho Sahuarita Bl/Sahuarita Rd (NW) | 5:26 AM | 6:56 AM | 8:26 AM | 9:56 AM | 11:26 AM | 12:56 PM | 2:26 PM | 3:55 PM | 5:25 PM | 6:55 PM |
| SS/Pima Mine Rd/I-19 (NE) | 5:36 AM | 7:06 AM | 8:36 AM | 10:06 AM | 11:36 AM | 1:06 PM | 2:36 PM | 4:04 PM | 5:34 PM | 7:04 PM |
| SS/Laos Transit Center (O) | 5:53 AM | 7:23 AM | 8:53 AM | 10:23 AM | 11:53 AM | 1:23 PM | 2:53 PM | 4:22 PM | 5:52 PM | 7:22 PM |
| 6th Av/Veterans (NE) | 5:57 AMEstimated | 7:27 AMEstimated | 8:57 AMEstimated | 10:27 AMEstimated | 11:57 AMEstimated | 1:27 PMEstimated | 2:57 PMEstimated | 4:27 PMEstimated | 5:57 PMEstimated | 7:27 PMEstimated |
| 6th Av/26th St (NE) | 6:02 AMEstimated | 7:32 AMEstimated | 9:02 AMEstimated | 10:32 AMEstimated | 12:02 PMEstimated | 1:32 PMEstimated | 3:02 PMEstimated | 4:32 PMEstimated | 6:02 PMEstimated | 7:32 PMEstimated |
| SS/Downtown Ronstadt Center (M) | 6:09 AMDrop-off only | 7:39 AMDrop-off only | 9:09 AMDrop-off only | 10:39 AMDrop-off only | 12:09 PMDrop-off only | 1:39 PMDrop-off only | 3:09 PMDrop-off only | 4:38 PMDrop-off only | 6:08 PMDrop-off only | 7:38 PMDrop-off only |
Every departure from SS/La Canada Dr/Trader Ln (NE)
For the selected service day and branch. After-midnight times retain their service-day association; “+1 day” means the following calendar day.
| Departure / window | Destination | Boarding notes |
|---|---|---|
| 5:00 AM | Ronstadt Transit Center | Scheduled |
| 6:30 AM | Ronstadt Transit Center | Scheduled |
| 8:00 AM | Ronstadt Transit Center | Scheduled |
| 9:30 AM | Ronstadt Transit Center | Scheduled |
| 11:00 AM | Ronstadt Transit Center | Scheduled |
| 12:30 PM | Ronstadt Transit Center | Scheduled |
| 2:00 PM | Ronstadt Transit Center | Scheduled |
| 3:30 PM | Ronstadt Transit Center | Scheduled |
| 5:00 PM | Ronstadt Transit Center | Scheduled |
| 6:30 PM | Ronstadt Transit Center | Scheduled |
More Regional Transportation Authority of Pima County travel information
Imported Oct 25, 2026 · 06:55 UTC · Service dates 2025-12-08 through 2027-08-17. See data status
Schedule data published by Regional Transportation Authority of Pima County. Feed discovery and cached source archives from MobilityData. Source details ↗