Abbreviations

Results for area 8.3 Conceptual model

term
representative trip
definition

trips that are of a distance larger than a defined threshold and so have to be considered by the related metrics

NOTE 1 Only trips which exceed the threshold and cover the specific types of roads of the Toll Regime have to be considered.

NOTE 2 The threshold may be defined as zero.

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itinerary trunk
definition

sequence of aggregated data committing to a number of underlying itinerary leaves

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term
front end application
definition

part of the Front End above the API

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automatic number plate recognition (ANPR)
definition

technology that uses optical character recognition on images to read vehicle registration plates

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term
central communication unit
definition

part of the central equipment serving as a mobile communication interface to the OBE

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back end
definition

part of the back office system interfacing to one or more front ends

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term
central equipment
definition

system components at fixed centralized locations

NOTE Central equipment is not the same as central system. Central equipment is used in the GNSS/CN based EFC system.

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term
key certification authority (CA)
definition

authority trusted by one or more users to create and assign public-key certificates

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time lock
definition

mechanism ensuring that a new operation can only be commissioned after a configurable period of time or processor clock cycles since the previous operation

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term
action
definition

function that an application process resident at the roadside equipment can invoke in order to make the onboard equipment execute a specific operation during the transaction

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term
transaction counter
definition

data value in the on-board unit that is incremented by the roadside equipment at each transaction

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term
charge object detection
definition

event marking the usage of a charge object

NOTE 1 to entry This event refers to the use of a certain object and not to the mechanisms by which detection is produced.

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term
discrete toll scheme
definition

toll scheme where the charge is calculated based on distinct events associated with the identification of charge objects such as crossing a cordon, passing a bridge, being present in an area, etc.

NOTE Each event is associated with a certain charge.

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term
enforcement
definition

measures or actions performed to achieve compliance with laws, regulations, or rules

NOTE 1 to entry In the context of EFC, the process of compelling observance of a toll regime

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term
domestic state agency
definition

government or any agency of the state or nation under whose jurisdiction a particular toll schema is being operated

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term
trusted recorder (TR)
definition

logical entity capable of cryptographic functions, used to provide the OBE with security services, including data confidentiality, data integrity, authentication and non-repudiation

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term
false positive
definition

event that was erroneously detected, but did not take place

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term
itinerary
definition

travel diary organized in one or more itinerary records enabling assessment of the correctness of the toll declaration

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term
itinerary record (IR)
definition

atomic data element describing use of the road network or use of the vehicle

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term
trip
definition

part of space-time trajectory of a particular vehicle within a toll domain

NOTE 1 to entry The exact definition of the start and end of trip is dependent on the toll domain and technology approach.

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term
short-range communication (SRC)
definition

tolling technique based on transfer of information via a radio connection between a roadside equipment and an on-board equipment

NOTE 1 to entry This includes 5,8 GHz DSRC as well as ITS-G5 and RFID.

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term
localisation augmentation (communication) (LAC)
definition

information sent by the roadside equipment to the on-board equipment to augment the positioning for autonomous systems

term
front end (FE)
definition

part of a tolling system consisting of an OBE and possibly a proxy where road tolling information and usage data are collected and processed for delivery to the Back End

NOTE 1 to entry The Front End comprises the on-board equipment and an optional proxy.

term
context independent itinerary
definition

itinerary of which the syntax and semantics are independent of the toll domain’s context data

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term
context dependent itinerary
definition

itinerary of which the syntax and semantics depend on the toll domain’s context data

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term
secure monitoring compliance checking (SM_CC)
definition

concept that allows a Toll Charger to rely on the trustworthiness of toll declarations produced by Toll Service Providers

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term
cordon
definition

border line of an area

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cordon pricing
definition

charging process based on registering passages of a cordon

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term
itinerary leaf
definition

sequence of sequential itinerary records of the same type all pertaining to a defined set of toll domains

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term
mobile roadside equipment
definition

<compliance checking communication> roadside equipment located on-board special vehicles using or standing near the road transport network or hand-held equipment, for the purpose of communication and data exchange with the on-board equipment of passing vehicles

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term
toll domain; EFC domain
definition

area or part of a road network where a toll regime is applied

term
toll scheme
definition

organizational view of a toll regime, including the actors and their relationships

term
EFC point; toll point
definition

location within a toll domain where the OBE has to issue a toll declaration

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term
charge object; EFC object
definition

geographic object where a charge for the use of infrastructure is due according to the definition in the toll regime

term
toll system
definition

off board equipment and possible other provisions used by a toll charger for the collection of toll for vehicles

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term
unexpected observation
definition

observation of road usage, performed by the Toll Charger, which is unknown to the driver or OBE before but might be known after the observation

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undetected observation
definition

observation of road usage, performed by the Toll Charger, which is neither known to the driver or OBE before nor after the observation

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term
toll
definition

charge, tax or duty levied in connection to using a vehicle in a toll domain

NOTE The definition is a generalization of the classic definition of a toll as “a charge, a tax, or a duty for permission to pass a barrier or to proceed along a road, over a bridge, etc.” The definition above also includes fees regarded as an (administrative) obligation, e.g. a tax or a duty.

term
urban charge point
definition

physical and geographically limited area equipped with, as a minimum, roadside equipment, gantries, poles and outriggers, powers supply, cabinets and cabling and central equipment communication where the installed equipment performs the necessary data exchange with OBEs passing in the charging direction(s).

NOTE: The Urban Charge Point will also in a more enhanced mode collect information about non-equipped vehicles and vehicle characteristics, e.g. information used for classification.

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term
toll declaration period
definition

period covered by a toll declaration

NOTE 1 to entry If the toll declaration period is set to 24 hr then in the Toll Context Data a single Toll Declaration is submitted for each 24-hr period for each Service User.

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term
charge area
definition

anywhere within the width of the carriageway (all lanes in both directions) at the charge point + 1.0 meter outside the carriageway on both sides of the carriageway limited in the travelling direction by the footprint of the DSRC beacons

NOTE The term is also in other references used for describing the whole geographical area covered by the EFC system.

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term
OBE personalization
definition

process of transferring personalization assets to the OBE

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term
personalization card
definition

set-up card IC card to transcribe individual data such as vehicle information into On-Board Equipment

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personalization equipment
definition

specific data stored in the OBE related to the user and the vehicle

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fixed roadside equipment
definition

roadside equipment installed at a fixed position along the road transport network, for the purpose of communication and data exchange with the on-board equipment of passing vehicles

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payment medium
definition

carrier of payment means, such as paper ticket, IC-card, smart phone or on-board unit (OBU)

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term
point of observation (PoO)
definition

interface, or in general identifiable access to a system, where conformance can be stated and verified

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term
proxy
definition

optional component of the Front End that communicates with on-board equipment and processes road usage data into a format compliant with ISO TS 17575 and delivers the data to the Back End

term
associated EFC context
definition

EFC context for which an individual user has the contractual consent that his or her Front End is interoperable

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term
toll regime; EFC regime
definition

set of rules, including enforcement rules, governing the collection of a toll in a toll domain

term
layout
definition

technical description of the location of a tolled object including, if applicable, auxiliary data for determining the vehicle's position relative to the tolled object

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term
interoperability management (IM)
definition

role that manages the toll charging environment, i.e. defining and maintaining a set of rules that, taken together, defines the policy of a given toll regime or of the overall toll charging environment

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term
toll cluster; EFC cluster
definition

group of toll schemes operating under a common agreement providing interoperability for road users having a contract with a toll service provider being part of the cluster

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charging scheme
definition

description of an Electronic Fee Collection system and its context including (but not limited to) the motivation and strategy for the fee collection, the definition of the geographical area, road network or road section where the fee will be collected, vehicles types subject to fee collection, fee payment rules, tariffs, exception handling and enforcement rules, technology to be used, implementation and duration and how the collected fee will be used

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term
toll service
definition

service enabling users to pay a toll

service enabling users having only one contract and one set of OBE to use a vehicle in one or more toll domains

term
continuous toll scheme
definition

toll scheme where the charge is calculated based on the accumulation of continuously measured parameter(s), such as distance, time, etc.

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term
EFC system
definition

system that enables electronic debiting for the use of transport services

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term
charging system
definition

system for Electronic Fee Collection supporting and fulfilling the requirements of a Charging Scheme

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term
transaction model
definition

functional model describing the structure of electronic payment transactions

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term
road section tolling
definition

tolling principle where the fee is due if predefined sections of roads are used

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term
charging performance metrics
definition

specific calculations used to describe the charging performance of a system

NOTE 1 to entry These calculations are technology and schema-independent.

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term
EFC equipment
definition
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term
itinerary freezing
definition

registering an itinerary and undeniably committing oneself to it

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term
real-time freezing (RTF)
definition

freezing of each itinerary record as soon as its acquisition has terminated using a trusted recorder

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term
freezing per declaration (FpD)
definition

process that freezes the itinerary related to the toll declaration by sending a cryptographic commit or the whole itinerary to the Toll Charger

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term
tolled area
definition

geographic area where a toll is applied for use of vehicles

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term
tolled road
definition

road where a toll is applied for vehicles

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term
tolled road network
definition

road network where a toll is applied for vehicles

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term
area pricing
definition

charging process based on road usage occurring within a given area

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term
tolled object
definition

distinguished part of a toll domain for which one or more tariff schemata apply

EXAMPLE An area, all public roads within an area, a bridge, a zone, or a stretch of a road (network).

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term
tolled passage
definition

location where a toll is applied for passing vehicles

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term
tolled road section
definition

road section where a toll is applied for vehicles

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