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I

In service

Français :En service commercial
Deutsch : Lastfahrt

Engaged on a SERVICE JOURNEY.
Incident

Français :Incident
Deutsch : Vorfall
Incident management

Français :Gestion des incidents
Deutsch : Unfallbehandlung

Settle incidents (accident, breakdown, uncertainty…) and restart service as soon as possible.
Information desk

Français :Bureau d'information
Deutsch : Informationsschalter

See also :PI FACILITY
INFORMATION DISPLAY ENTRY

Français :ENTRÉE D'INFORMATION AFFICHÉE
Deutsch : EINTRAG IN DER INFORMATIONSANZEIGE

An element of the information displayed on a PI FACILITY, defining a JOURNEY PATTERN and a STOP POINT about which information is displayed.
Infra-red cell

Français :Cellule infrarouge
Deutsch : Infrarotschranke
Inter peak period

Français :Heures creuses (intermédiaires)
Deutsch : Normalverkehrszeit (zwischen den Verkehrsspitze)

The period between the morning and evening peak periods.

See also :Off-peak time
Interchange

Français :Correspondance
Deutsch : Umsteigeverbindung

The Transfer of passengers from one line to another at a Connection point, when no direct line is available towards their destination.

See also :TRANSFER WALK
Interchange management, Connection control

Français :Gestion des correspondances
Deutsch : Überwachen, Sichern von Anschlüssen

Delaying departure times at Connection points to ensure passengers can make Interchanges.
Interchange time

Français :Temps de correspondance
Deutsch : Umsteigezeit
Interchange waiting time reduction

Français :Réduction du temps d'attente aux points de correspondance
Deutsch : Verringen von Wartezeiten beim Umsteigen

Reduction of waiting times for passengers making Interchanges within a network.
Intermediate sign on

Français :Prise de service intermédiaire
Deutsch : Dienstbeginn nach einer Pause

The process of Signing on, usually at a RELIEF POINT or other supervised TIMING POINT, for the second or third time in the day.
Intersection control

Français :Signalisation
Deutsch : Lichtsignalsteuerung, Signalanzeige

See also :Junction control, Intersection control equipment
Intersection control equipment

Français :Armoire de carrefour
Deutsch : Kreuzungssteuergerät

See also :Intersection control
Interval, Headway

Français :Intervalle
Deutsch : Intervall, Zeitraum, Zeitabstand, Zeitlücke

The scheduled interval between two successive buses on a section of road.

See also :Frequency
Investment

Français :Investissement
Deutsch : Investitionen
Irregular services

Français :Services occasionnels
Deutsch : Bedarfsfahrten

Services on which vehicles do not operate continuously in two directions. These may include Peak hour extra journeys on routes which are otherwise regular.

See also :Special services
Itinerary

Français :Itinéraire
Deutsch : Beförderungsweg

See also :ROUTE

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