Automated weekly bulletin
Observed bus supply in Rio: Jun 22, 2026 to Jun 28, 2026
Bulletin based on 342 routes with sufficient data across two consecutive seven-day windows.
Summary of the week
- Routes analyzed
- 342
- More vehicles observed
- 27 7.9%
- Stability
- 226 66.1%
- Fewer vehicles observed
- 89 26.0%
The rankings compare the average number of vehicles seen from Monday to Sunday with the previous seven days. Only routes with at least five days of data are included in each window.
Weekly overview
Stability was the predominant result. Of 342 routes compared, 27 (7.9%) had more observed vehicles, 226 (66.1%) remained stable, and 89 (26.0%) declined.
route 35 averaged 7.38 more vehicles per day, moving from 30.42 to 37.8 (+24.3%). route 2334 averaged 3.77 fewer vehicles per day, moving from 14.17 to 10.4 (-26.6%).
Among the compared groups, MOBI-Rio had the highest average change (+3.2%), while Santa Cruz had the lowest (-7.5%).
In the 30-day context, 12 routes entered the critical range. Leading cases include route SN853 (Terminal Mato Alto - Terminal Deodoro) because of reliability score of 38/100 with low confidence; route SN397 (Terminal Campo Grande - Candelária) because of reliability score of 43/100 with low confidence; route SN624 (Mariópolis - Praça da República) because of reliability score of 45/100 with low confidence.
The historical window covered 28 of 30 days. Of 473 candidate routes, 342 entered the comparison and 131 were excluded for insufficient data. The figures represent observed vehicles and do not measure passengers, occupancy, revenue, or regulatory punctuality.
Largest decreases observed
The ranking considers the absolute difference and the number of days sampled; the percentage remains as context.
| Route and operation | Previous average (vehicles/day) | Current average (vehicles/day) | Difference | Change |
|---|---|---|---|---|
| 2334Auto Viação Jabour | 14.17 | 10.4 | -3.77 | -26.6% |
| 840Auto Viação Palmares | 11.83 | 8.2 | -3.63 | -30.7% |
| SN629Internorte | 9.17 | 5.6 | -3.57 | -38.9% |
| 868Auto Viação Palmares | 7 | 4.8 | -2.2 | -31.4% |
| 849Auto Viação Palmares | 7.33 | 5.2 | -2.13 | -29.1% |
| 821Auto Viação Palmares | 7.83 | 5.8 | -2.03 | -26.0% |
| SN696Viação Ideal | 4 | 2 | -2 | -50.0% |
| 833Auto Viação Palmares | 5.33 | 3.6 | -1.73 | -32.5% |
| SN368Transcarioca | 3.5 | 1.8 | -1.7 | -48.6% |
| SN867Santa Cruz | 2.83 | 1.8 | -1.03 | -36.5% |
Largest increases observed
An increase only indicates more vehicles detected in the weekly comparison; does not represent, in isolation, a general improvement in the service.
| Route and operation | Previous average (vehicles/day) | Current average (vehicles/day) | Difference | Change |
|---|---|---|---|---|
| 35MOBI-Rio | 30.42 | 37.8 | +7.38 | +24.3% |
| 11MOBI-Rio | 8.42 | 13.7 | +5.28 | +62.8% |
| SN884Santa Cruz | 2.83 | 4.2 | +1.37 | +48.2% |
| 817Viação Redentor | 3.67 | 5 | +1.33 | +36.4% |
| SV922Transportes Paranapuan | 3.17 | 4.4 | +1.23 | +39.0% |
| 843Santa Cruz | 5.17 | 6.4 | +1.23 | +23.9% |
| SN328Internorte | 3.17 | 4 | +0.83 | +26.3% |
| SN731Santa Cruz | 2.33 | 3 | +0.67 | +28.6% |
| SVA665Gire TransportesReduced base | 1.8 | 2.4 | +0.6 | +33.3% |
| 865Auto Viação TijucaReduced base | 1.83 | 2.4 | +0.57 | +30.9% |
Operator overview
| Group | Routes | More vehicles | Stable | Fewer vehicles | Average change |
|---|---|---|---|---|---|
| Santa Cruz | 91 | 7 | 45 | 39 | -7.5% |
| Internorte | 72 | 5 | 47 | 20 | -4.6% |
| Transcarioca | 110 | 6 | 84 | 20 | -4.1% |
| Intersul | 35 | 4 | 23 | 8 | -2.9% |
| MOBI-Rio | 34 | 5 | 27 | 2 | +3.2% |
Critical routes in the 30-day context
- Route SN853 — Terminal Mato Alto - Terminal DeodoroSanta Cruzreliability score of 38/100 with low confidence; 60.9% reduction in observed supply over 30 days; estimated headway 3.3 times the declared headway; fewer vehicles observed at peak times than off-peak.
- Route SN397 — Terminal Campo Grande - CandeláriaSanta Cruzreliability score of 43/100 with low confidence; 51.6% reduction in observed supply over 30 days; estimated headway 4 times the declared headway.
- Route SN624 — Mariópolis - Praça da RepúblicaViação Novacapreliability score of 45/100 with low confidence; 47.4% reduction in observed supply over 30 days; estimated headway 3 times the declared headway.
- Route SN878 — Tanque - Barra da TijucaTranscariocareliability score of 45/100 with low confidence; 46.9% reduction in observed supply over 30 days; estimated headway 3.2 times the declared headway.
- Route SN554 — Piabas - Metrô BotafogoTranscariocareliability score of 46/100 with low confidence; 52.1% reduction in observed supply over 30 days; estimated headway 2.4 times the declared headway; fewer vehicles observed at peak times than off-peak.
- Route SN399 — Pavuna - PasseioInternortereliability score of 49/100 with low confidence; 40.6% reduction in observed supply over 30 days; estimated headway 3.6 times the declared headway; fewer vehicles observed at peak times than off-peak.
- Route SN388 — Santa Cruz - CandeláriaSanta Cruzreliability score of 49/100 with low confidence; 40.0% reduction in observed supply over 30 days; estimated headway 3.9 times the declared headway.
- Route SN324 — Ribeira - CandeláriaViação Idealreliability score of 53/100 with low confidence; 31.7% reduction in observed supply over 30 days; estimated headway 3.2 times the declared headway; fewer vehicles observed at peak times than off-peak.
- Route SN393 — Bangu - CandeláriaSanta Cruzreliability score of 55/100 with low confidence; 28.5% reduction in observed supply over 30 days; estimated headway 4.3 times the declared headway.
- Route SN319 — Terminal Alvorada - Terminal GentilezaTranscariocareliability score of 57/100 with low confidence; 25.6% reduction in observed supply over 30 days; estimated headway 3.4 times the declared headway; fewer vehicles observed at peak times than off-peak.
Quality and limits
History covered 28 of 30 days, until 8/2/2026. Source: Daily history in PostgreSQL. The comparison does not measure passengers, capacity, revenue or regulatory punctuality.