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Qué pasó
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  1. Lectura
  2. Metodología de los datos
  3. Velocidad del autobús entre puntos de control

How fast buses actually moved between two consecutive timepoints of a route, next to the speed the timetable planned for the same segment.

Definición
How fast buses actually moved between two consecutive timepoints of a route, next to the speed the timetable planned for the same segment.
Fórmula
Segment ends are the stops the timetable marks as timepoints. When it marks every stop, the trip is cut about every 1 kilometre. Observed time = arrival at the end minus arrival at the start. Speed = distance times trips divided by total time, in kilometres per hour. Slow trip: took at least 1.5 times the scheduled time.
Unidades
kilometres per hour, with the count of trips
Población
Trips that reached both ends of a segment between two consecutive timepoints, from settled final predictions.
Ventana de medición
The 28 most recent completed service days, by calendar date in Ottawa.
Cobertura
Only days the daily rollup computed. Days with partial feed capture and days when the live trip numbers did not match the timetable are left out and listed.
Elegibilidad para publicar
Segments shorter than 300 metres or 1 minute are not measured. A segment needs at least 20 trips before a speed is shown.
Alcance
Every bus route segment with enough trips, by the same hour bands as bunching.
Qué puede respaldar este número
Compare the observed speed with the scheduled speed on the same segment. Distance is a straight line between stops, so both speeds are lower than the road speed.
Fuentes e identificadores

Estado de implementación

Fuente candidata
Implementado en esta fuente candidata.
Producción pública
Esta versión de la métrica no ha sido verificada de forma independiente en el sitio público.

Lee el estado antes de citar este número.

The daily calculation is implemented in this source candidate (worker rollup, migrations 0396 and 0407, method settled-reliability-patterns-daily-v2). Public production verification for this version is not yet recorded.

Exclusiones

OC Transpo O-Train lines are left out: the operator publishes no live train positions, so their arrivals repeat the timetable.

Times over 4 times the schedule plus 10 minutes are treated as data errors and left out. A stop a trip visits twice is never a segment end.

Incertidumbre e interpretación

Arrival times are the last prediction made no earlier than 10 minutes before the scheduled time, not a recorded door opening.

Distance is the straight line between stops along the trip, not the road, so speeds are lower than true road speeds. Use them to compare segments, not to check speed limits.

Datos probantes actuales

No hay un registro de detalle disponible para esta métrica. La página pública sigue siendo la fuente de la presentación actual.

Historial de cambios

No hay ningún cambio importante registrado para esta versión de la métrica.