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D

Daily operation

Français :Service journalier
Deutsch : Tägliche Fahrten
Data collection

Français :Recueil de données
Deutsch : Datenerfassung
Data recording

Français :Enregistrement de données
Deutsch : Betriebsdatenspeicherung

Recording of operational data, (e.g. mileage, running time, idle time, passenger loading, etc.).
Data transmission

Français :Transmission de données
Deutsch : Datenübertragung
Database

Français :Base de données
Deutsch : Datenbank
Date

Français :Date
Deutsch : Datum
Day

Français :Jour
Deutsch : Tag
DAY OF WEEK

Français :JOUR DE LA SEMAINE
Deutsch : WOCHENTAG

A particular week day (from Monday to Sunday)
DAY TYPE

Français :JOUR-TYPE
Deutsch : TAGESART

A type of day characterised by one or more properties which affect bus operation; for example : week day in school holidays.

See also :PROPERTY OF DAY
Dead mileage

Français :Kilométrage haut-le-pied
Deutsch : Leerkilometer

Non revenue mileage travelled by a bus to get in position for a revenue earning journey.

See also :DEAD RUN
DEAD RUN

Français :HAUT-LE-PIED
Deutsch : LEERFAHRT, Betriebsfahrt

A non-service VEHICLE JOURNEY

See also :SERVICE JOURNEY, Dead mileage, Depot journey, Pull out
Dead run multiplier

Français :Coefficient de temps haut-le-pied
Deutsch : Faktor für Leerfahrtzeit

A multiplier used to convert the Standard running time of a revenue trip between two points to a suitable running time for a dead run.
DEAD RUN PATTERN

Français :PARCOURS HAUT-LE-PIED
Deutsch : LEERFAHRT-PROFIL

A JOURNEY PATTERN to be used for DEAD RUNs.
DEFAULT DEAD RUN RUN TIME

Français :TEMPS DE PARCOURS HAUT-LE-PIED PAR DÉFAUT
Deutsch : STANDARD-FAHRZEIT FÜR LEERFAHRTEN

The time taken to traverse a TIMING LINK during a DEAD RUN, for a specified TIME DEMAND TYPE. This time may be superseded by the JOURNEY PATTERN RUN TIME or VEHICLE JOURNEY RUN TIME is these exist.
DEFAULT SERVICE JOURNEY RUN TIME

Français :TEMPS DE PARCOURS COMMERCIAL PAR DÉFAUT
Deutsch : STANDARD-FAHRZEIT FÜR VERKEHRSFAHRTEN

The default time taken by a vehicle to traverse a TIMING LINK during a SERVICE JOURNEY, for a specified TIME DEMAND TYPE. This time may be superseded by the JOURNEY PATTERN RUN TIME or VEHICLE JOURNEY RUN TIME is these exist.
DEFAULT TRANSFER LIMIT

Français :TEMPS DE TRANSFERT LIMITE PAR DÉFAUT
Deutsch : STANDARD-UMSTEIGEZEITBEGRENZUNG

Maximum wait time duration allowed and standard to be aimed at for transfer between two STOP POINTs which are either identical or close together, usually in the same STOP AREA.
Delay

Français :Retard
Deutsch : Verspätung
Demand

Français :Demande
Deutsch : Nachfrage
Demand indicators

Français :Indicateurs sur la demande
Deutsch : Nachfrage Indikatoren

Information about the use of the transport network, used to adjust the service to demand requirements.
Demand responsive system

Français :Système à la demande
Deutsch : Flexibles, bedarfsabhängiges Betriebssystem

Transport service that operates on request (bus, taxi, etc.).
Departure

Français :Départ
Deutsch : Abfahrt
Departure management

Français :Gestion, Régulation des départs
Deutsch : Abfahrtzeitüberwachung
Departure time from terminal

Français :Heure de départ au terminus
Deutsch : Abfahrtzeit an Endhaltestelle
Depot

Français :Dépôt
Deutsch : Depot

A depot where vehicles are parked when not in operation, and where they are refueled, maintained or repaired.

See also :GARAGE
Depot capacity

Français :Capacité du dépôt
Deutsch : Betriebshofkapazität

The number of vehicles which can be accommodated at a depot.
Depot journey, Pull-in

Français :Trajet d'entrée en ligne, dépôt-terminus
Deutsch : Einsetzfahrt

A Journey undertaken from the Depot or from a PARKING POINT to the Service starting point.

See also :DEAD RUN
Depot management

Français :Gestion du dépôt
Deutsch : Betriebshofdisposition
DESIGN WEEK

Français :PLAN HEBDOMADAIRE
Deutsch : TURNUSWOCHE

A week viewed as a part of a ROSTER DESIGN with a specified order in that design.
DESIGN WEEK ELEMENT

Français :ÉLÉMENT DE PLAN HEBDOMADAIRE
Deutsch : ELEMENT DER TURNUSWOCHE

An element of a DESIGN WEEK representing a particular DAY OF WEEK to which a DUTY TYPE or REST may be assigned.
Destination

Français :Destination
Deutsch : Ziel

Final location of a TRIP.

See also :Origin, PLACE
Destination / next stop display

Français :Annonce de la destination / du prochain arrêt
Deutsch : Angabe Ziel / nächster Halt

Indicating, inside and outside the bus, the destination of the bus, and its next stop. This may be either visible or audible.
Destination blind, Headsign

Français :Girouette
Deutsch : Fahrzielanzeige an der Fahrzeugfront

Destination sign, often located above the windshield.

See also :DESTINATION DISPLAY
DESTINATION DISPLAY

Français :DESTINATION AFFICHÉE
Deutsch : FAHRTZIELANZEIGE

An advertised destination of a specific JOURNEY PATTERN, usually displayed on a headsign or at other onboard locations.

See also :Destination blind
Diagnosis, Failure detection

Français :Détection de pannes
Deutsch : Diagnose system, Fehlersuche

Help with seeking faults, by diagnostic procedures.
Display

Français :Affichage
Deutsch : Anzeige
Distance

Français :Distance
Deutsch : Entfernung
Diversion, Detour

Français :Déviation, Itinéraire exceptionnel
Deutsch : Umleitung, Umweg

A deviation from the normally scheduled route of a line.
Double-deck

Français :Autobus à étage, à impériale
Deutsch : Doppel-Decker, Doppel-Deck-Bus
Down time

Français :Indisponibilité
Deutsch : Ausfallzeit

The period of time that equipment is out of service.
DRIVER

Français :CONDUCTEUR, Chauffeur
Deutsch : FAHRER(IN), Fahrpersonal

An EMPLOYEE whose usual work is to drive a public transport vehicle.

See also :Crew
Driver assignment, Crew assignment, Duty allocation

Français :Affectation des chauffeurs
Deutsch : Fahrerzuordnung

Allocation of personnel to duties.

See also :Roster list
Driver rostering

Français :Élaboration du tableau de roulement
Deutsch : Dienstreihenfolgeplanung

Grouping of individual workdays into patterns which conform to certain rules governing the number of hours worked in a period of several days, the rotation and juxtaposition of types of workdays, and the allocation of rest days, etc.

See also :Roster
Driver schedule

Français :Programme des services agents
Deutsch : Fahrerdienstplan

The allocation of notional drivers to vehicles in such a way that every vehicle has a driver assigned to it at all times, except when it is in the depot, or possibly at some other agreed points.
Driver scheduling, Crew scheduling

Français :Habillage
Deutsch : Dienstplanerstellung, Dienstplanung

Construction of work-days (of duties) to match pre-planned vehicle Schedules.
DRIVER TRIP

Français :ACHEMINEMENT CONDUCTEUR
Deutsch : EINSATZ-/ABLÖSEWEG

Any planned non-driving movement of a driver within a DUTY PART.

See also :DRIVER TRIP TIME
DRIVER TRIP TIME

Français :TEMPS D'ACHEMINEMENT CONDUCTEUR
Deutsch : WEGEZEIT ZUM EINSATZ-/ABLÖSEWEG

The time allowed for a driver to cover a particular DRIVER TRIP for a specified TIME BAND.
Driver's display

Français :Pupitre chauffeur
Deutsch : Fahrerterminal
DRIVING SPELL

Français :TRONÇON DE CONDUITE
Deutsch : FAHRDIENSTSTÜCK

A SPELL of driver work between Reliefs during which a driver is driving one vehicle.

See also :NON DRIVING SPELL
Duplication

Français :Doublage
Deutsch : Doppelwagen

The assignment of two standard size buses to the same line or run, for example to replace a high capacity bus (double deck, articulated).
DUTY , Turn, Shift

Français :SERVICE AGENT, Tour
Deutsch : DIENST, Schicht

The work to be performed by a driver on a particular DAY TYPE.

See also :DUTY TYPE, SPARE DUTY
Duty card, Duty sheet

Français :Feuille de service
Deutsch : Dienstplanzettel

Document listing the times of the various trips or situations making up the working day of an employee.

See also :Running board
Duty classification

Français :Typologie des services agents
Deutsch : Klassifikation von Diensten

The description of duties as for example early, middle or late turns in accordance with the time of commencement and / or conclusion of the duty, each class being subject to local definition.
Duty compilation

Français :Construction des tours de service
Deutsch : Einzeldienstbildung

Process of attributing units of work to DUTIES.
Duty hours

Français :Temps de service
Deutsch : Dienststunden

The total amount of duty time scheduled for a daily or weekly performance by an individual driver (incl. all time allowances for such purposes as signing on and off duty, travel time between depot and relief point, excl. the unpaid period of relief).

See also :Overtime scheduled, Scheduled hours, Paid hours
DUTY PART

Français :VACATION
Deutsch : DIENSTTEIL

A continuous part of a driver DUTY during which (s)he is under the management of the company. A DUTY PART may include BREAKs.

See also :STRETCH
Duty rotation

Français :Alternance
Deutsch : Dienstrotation

The progression of a driver through a roster.
Duty schedules

Français :Tableau de service
Deutsch : Dienstplan

The listing and numbering of duties in a form such that drivers can identify the vehicles on which they are working in the course of a duty.
DUTY TYPE

Français :TYPE DE TOUR
Deutsch : DIENSTART

A classification of a DUTY, in terms of working hours within the day.

See also :Roster, SPLIT DUTY, CONTINUOUS DUTY
Dwell time

Français :Temps de chargement aux arrêts
Deutsch : Aufenthaltszeit, Haltezeit
Dynamic polling

Français :Scrutation dynamique
Deutsch : Dynamisches Anwählen, Abfragen

Polling method in which the frequency between polls varies with the expected encounter of the next event, but not to exceed a predetermined maximum poll frequency.

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