24315 METR
Vocab: Vocabulary


Last modified on 2024-06-24 07:38
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NOTE: The RSR, DSR, CSR, DHSR, MDR, and ITS-SUR are still in very preliminary draft form
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Vocab-32

1 Scope

The management of electronic transport r…
Vocab-33

2 Normative references

The following documents are referred to …
Vocab-190
ISO/TS 14812, Intelligent transport syst…
Vocab-191
ISO/IEC/IEEE 24765, Systems and software…
Vocab-34

3 Terms and definitions

For the purposes of this document, the t…
Vocab-35

3.1 Jurisdictional terms

Vocab-45

3.1.1 campus

jurisdictional area (3.1.5) with a juris…
Vocab-222 EXAMPLE: A point of interest (e.g., airport, univ…
Vocab-223 EXAMPLE: A point of interest (e.g., airport, univ…
Vocab-380 NOTE: The term "private grounds" is used in so…
Vocab-182

3.1.2 defined area

jurisdictional area (3.1.5) or sub-area …
Vocab-123

3.1.3 governmental area

transport-related, jurisdictional area (…
Vocab-225 EXAMPLE: A subway station owned by a governmental…
Vocab-226 NOTE: The boundaries of a jurisdictional area …
Vocab-46

3.1.4 jurisdiction

legal power to issue rules of behaviour …
Vocab-227 NOTE: An entity of a jurisdiction that has com…
Vocab-47

3.1.5 jurisdictional area

territory for which a jurisdictional ent…
Vocab-228 NOTE: A jurisdictional area might include non-…
Vocab-48

3.1.6 jurisdictional boundary

territorial limit associated with a juri…
Vocab-229 NOTE: A geofence can be used to electronically…
Vocab-31

3.1.7 jurisdictional entity

person (ISO 14812, 3.1.1.6) or organizat…
Vocab-230 EXAMPLE: A city government
Vocab-231 NOTE: In the case of a geopolitical jurisdicti…
Vocab-232 NOTE: A jurisdictional entity assigns its auth…
Vocab-373

3.1.8 region

territory within which METR users (3.3.1…
Vocab-375 EXAMPLE: European Common Market, North American F…
Vocab-374 NOTE: Regions are typically bounded by physica…
Vocab-121

3.1.9 sub-area

defined area (3.1.2) entirely within a j…
Vocab-233 NOTE: Sub-areas can be defined as their own di…
Vocab-36

3.2 Data terms

Vocab-124

3.2.1 General data terms

Vocab-416

3.2.1.1 advisory

rule (3.2.1.13) that provides a safety r…
Vocab-418 NOTE: While not having the full force of law, …
Vocab-344

3.2.1.2 crowd-sourced data

supporting data (3.2.1.17) from multiple…
Vocab-234 EXAMPLE: ice detected by multiple sources that ar…
Vocab-356 EXAMPLE: data reported from sensors near the road…
Vocab-354 NOTE: Crowd-sourced data can include any combi…
Vocab-117

3.2.1.3 data category

class of data (ISO/IEC/IEEE 24765:2017, …
Vocab-235 EXAMPLE: Speed limit rules (3.2.1.13) for motor v…
Vocab-236 NOTE: A data category is described by a set of…
Vocab-196

3.2.1.4 discrepancy

detected inconsistency in METR informati…
Vocab-419

3.2.1.5 guidance

rule (3.2.1.13) that provides valuable i…
Vocab-420 NOTE: Regulators sometimes wish to additional …
Vocab-410

3.2.1.6 highway code

set of legislation that defines general …
Vocab-411 NOTE: The highway code includes rules for vehi…
Vocab-412 NOTE: The term used for the highway code varie…
Vocab-197

3.2.1.7 infrastructure-sourced data

supporting data (3.2.1.17) from an exter…
Vocab-357 EXAMPLE: current speed limit for a variable speed…
Vocab-346 EXAMPLE: time of dusk as reported by a source fro…
Vocab-347 EXAMPLE: data reported from roadside sensors (aut…
Vocab-353 NOTE: Infrastructure-sourced data can be juris…
Vocab-345

3.2.1.8 jurisdiction-sourced data

supporting data (3.2.1.17) from an exter…
Vocab-237 EXAMPLE: current speed limit for a variable speed…
Vocab-349 EXAMPLE: notice from an emergency vehicle that it…
Vocab-355 EXAMPLE: data reported from authorized roadside s…
Vocab-352 NOTE: Jurisdiction-sourced data can be infrast…
Vocab-198

3.2.1.9 jurisdictional vocabulary

listing of key terms used within rules (…
Vocab-200

3.2.1.10 METR information

Any information provided by a METR distr…
Vocab-195

3.2.1.11 peer-sourced data

supporting data (3.2.1.17) from an exter…
Vocab-348 EXAMPLE: notice from an emergency vehicle that it…
Vocab-350 EXAMPLE: ice detected by another vehicle
Vocab-351 NOTE: Peer-sourced data can be crowd-sourced (…
Vocab-414

3.2.1.12 regulation

rule (3.2.1.13) having the force of law …
Vocab-11

3.2.1.13 rule

information regarding allowed or recomme…
Vocab-238 NOTE: The jurisdictional area can be a campus …
Vocab-239 NOTE: The primary focus of METR (3.3.2.3) is t…
Vocab-426 NOTE: Rules include rules of the road (3.2.1.1…
Vocab-388

3.2.1.14 rule order

legally recognized document that officia…
Vocab-389 NOTE: A rule order can be associated with meta…
Vocab-130

3.2.1.15 rule set

aggregation of rules (3.2.1.13) coupled …
Vocab-240 NOTE: Meta-data can identify the freshness per…
Vocab-390 NOTE: The term "rule set" can be applied to le…
Vocab-413

3.2.1.16 rules of the road

component of the highway code (3.2.1.6) …
Vocab-131

3.2.1.17 supporting data

data (ISO/IEC/IEEE 24765:2017, 3.985) pr…
Vocab-242 NOTE: Supporting data can be categorized into …
Vocab-244 NOTE: Supporting data often changes more frequ…
Vocab-243 NOTE: Supporting data can affect the applicabi…
Vocab-201

3.2.1.18 user-sourced data

supporting data (3.2.1.17) provided by t…
Vocab-241 EXAMPLE: reporting that snow tires are installed
Vocab-26

3.2.1.19 vehicle-sourced data

supporting data (3.2.1.17) provided by b…
Vocab-245 EXAMPLE: current time
Vocab-246 EXAMPLE: windshield wiper status
Vocab-363

3.2.2 Discrepancy state terms

Vocab-364

3.2.2.1 confirmed discrepancy

discrepancy (3.2.1.4) that has been inve…
Vocab-365

3.2.2.2 detected discrepancy

discrepancy (3.2.1.4) that has been iden…
Vocab-366 NOTE: Discrepancies can be detected by users o…
Vocab-367

3.2.2.3 rejected discrepancy

discrepancy (3.2.1.4) that has been inve…
Vocab-368 NOTE: A discrepancy report (3.3.1.9) can be er…
Vocab-369

3.2.2.4 reported discrepancy

detected discrepancy (3.2.2.2) that has …
Vocab-370

3.2.2.5 resolved discrepancy

confirmed discrepancy (3.2.2.1) that has…
Vocab-371

3.2.2.6 suspected discrepancy

discrepancy (3.2.1.4) that has been repo…
Vocab-40

3.2.3 Rule publication terms

Vocab-61

3.2.3.1 observable rule

rule (3.2.1.13) that is posted (3.2.3.2)…
Vocab-16

3.2.3.2 posted rule

rule (3.2.1.13) that is publicized (3.2.…
Vocab-404

3.2.3.3 pubic record

information that travellers are expected…
Vocab-60

3.2.3.4 publicized rule

rule (3.2.1.13) that is announced to the…
Vocab-62

3.2.3.5 unobservable rule

rule (3.2.1.13) that is posted (3.2.3.2)…
Vocab-247 NOTE: Unobservable rules have been posted but …
Vocab-15

3.2.3.6 unposted rule

rule (3.2.1.13) that is publicized (3.2.…
Vocab-248 NOTE: Unposted rules are documented within the…
Vocab-41

3.2.4 Rule state terms

Vocab-63

3.2.4.1 active rule

rule (3.2.1.13) that is implemented (3.2…
Vocab-249 NOTE: A rule can be active during certain hour…
Vocab-250 NOTE: Rules are only enforced when active.
Vocab-372

3.2.4.2 approved rule

rule (3.2.1.13) that has been approved b…
Vocab-64

3.2.4.3 implemented rule

rule (3.2.1.13) that has an inception ti…
Vocab-251 NOTE: An implemented rule can be active (3.2.4…
Vocab-393 NOTE: Responsible legal authorities can define…
Vocab-65

3.2.4.4 inactive rule

rule (3.2.1.13) that is enacted (3.2.4.3…
Vocab-252 NOTE: A rule might not be in effect during cer…
Vocab-253 NOTE: A rule cannot be enforced while it is in…
Vocab-254 NOTE: Guidance information that is not applica…
Vocab-66

3.2.4.5 inception time

point in time at which a rule (3.2.1.9) …
Vocab-391 NOTE: After the inception time, the rule becom…
Vocab-401 NOTE: Rules can be associated with grace perio…
Vocab-67

3.2.4.6 overridden rule

rule (3.2.1.13) that is enacted (3.2.4.3…
Vocab-255 NOTE: It is expected that an override will eve…
Vocab-256 NOTE: The item that is temporarily nullified i…
Vocab-257 NOTE: The replacement can be null.
Vocab-164

3.2.4.7 proposed rule

rule (3.2.1.13) that is not yet approved…
Vocab-70

3.2.4.8 rescinded rule

rule (3.2.1.13) that has a termination t…
Vocab-71

3.2.4.9 revoked rule

rule (3.2.1.13) that has been retroactiv…
Vocab-258 EXAMPLE: An electronic no parking rule might be r…
Vocab-259 NOTE: A rule that is revoked indicates that th…
Vocab-392 NOTE: There can be a period of time after a ru…
Vocab-72

3.2.4.10 termination time

point in time at which a rule (3.2.1.13)…
Vocab-260 EXAMPLE: A temporary daily parking restriction th…
Vocab-163

3.2.5 METR information state terms

Vocab-12

3.2.5.1 fresh METR information

METR information (3.2.1.10) that has a f…
Vocab-262 EXAMPLE: A rule set (3.2.1.15) that is downloaded…
Vocab-408 NOTE: Emergent rules (3.2.7.1) can impact how …
Vocab-13

3.2.5.2 freshness period

duration during which an element of METR…
Vocab-261 NOTE: Receivers (3.3.1.20) can refresh their d…
Vocab-203

3.2.5.3 outdated METR information

METR information (3.2.1.10) that has a f…
Vocab-204

3.2.6 Rule representation terms

Vocab-378

3.2.6.1 electronic rule

representation of a rule (3.2.1.13) in a…
Vocab-172

3.2.6.2 legal rule

representation of a rule (3.2.1.13) as r…
Vocab-79

3.2.6.3 METR rule

electronic rule (3.2.6.1) that is produc…
Vocab-264 NOTE: Digitized images do not meet this defini…
Vocab-174

3.2.6.4 physical rule

representation of a rule (3.2.1.13) as p…
Vocab-263 EXAMPLE: The speed limit as displayed on a speed …
Vocab-205

3.2.7 Rule announcement terms

Vocab-19

3.2.7.1 emergent rule

METR rule (3.2.6.3) created and implemen…
Vocab-265 EXAMPLE: Immediately after downloading the curren…
Vocab-266 NOTE: Emergent rules typically require alterna…
Vocab-267 NOTE: Emergent rules can include both temporar…
Vocab-133

3.2.7.2 pre-announced rule

METR rule (3.2.6.3) distributed through …
Vocab-268 NOTE: Pre-announced rules do not require low-l…
Vocab-409 NOTE: Pre-announced rules typically have relat…
Vocab-138

3.2.8 Rule projected longevity terms

Vocab-17

3.2.8.1 persistent rule

rule (3.2.1.13) that does not have any e…
Vocab-269 NOTE: A variable rule (3.2.9.3), such as a var…
Vocab-18

3.2.8.2 temporary rule

rule (3.2.1.13) that has or is expected …
Vocab-206

3.2.9 Rule terms related to supporting data

Vocab-51

3.2.9.1 condition-based rule

rule (3.2.1.13) that becomes active (3.2…
Vocab-270 EXAMPLE: “when workers present”
Vocab-271 EXAMPLE: “dusk”
Vocab-272 EXAMPLE: "08:00 - 12:00"
Vocab-273 NOTE: Condition-based rules can be based on mu…
Vocab-274 NOTE: Time-based rules (e.g., a parking rule t…
Vocab-118

3.2.9.2 time-based rule

condition-based rule (3.2.9.1) where at …
Vocab-275 EXAMPLE: "08:00-12:00"
Vocab-276 EXAMPLE: "Every Tuesday"
Vocab-277 EXAMPLE: "June through July"
Vocab-139

3.2.9.3 variable rule

rule (3.2.1.13) that contains a paramete…
Vocab-278 EXAMPLE: A speed limit that changes based on RLA …
Vocab-279 EXAMPLE: A traffic signal, which changes states a…
Vocab-280 NOTE: The supporting data can be generated by …
Vocab-207

3.2.10 Rule relevancy terms

Vocab-208

3.2.10.1 non-relevant rule

rule (3.2.1.13) that is not applicable t…
Vocab-127

3.2.10.2 relevant rule

rule (3.2.1.13) applicable to the METR u…
Vocab-209

3.2.11 Distribution terms

Vocab-189

3.2.11.1 cyber location

set of one or more parameters that allow…
Vocab-281 EXAMPLE: A universal resource locator (URL) with …
Vocab-282 EXAMPLE: A radio frequency and protocol details u…
Vocab-194

3.2.11.2 dissemination plan

plan for providing data to user systems
Vocab-283 NOTE: A dissemination plan includes identifica…
Vocab-210

3.2.11.3 localized distribution

dissemination of METR information (3.2.1…
Vocab-284 EXAMPLE: WiFi
Vocab-285 EXAMPLE: LTE-V2X
Vocab-211

3.2.11.4 pulled distribution

dissemination of METR information (3.2.1…
Vocab-212

3.2.11.5 pushed distribution

dissemination of METR information (3.2.1…
Vocab-213

3.2.11.6 wide-area distribution

dissemination of METR information (3.2.1…
Vocab-42

3.3 METR architectural terms

Vocab-140

3.3.1 METR role terms

Vocab-170

3.3.1.1 adapter

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-302 NOTE: Adapting data can result in another elec…
Vocab-303 NOTE: The adapter can also provide discrepanci…
Vocab-161

3.3.1.2 adjudicator

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-143

3.3.1.3 ancillary user

METR user (3.3.1.16) that is not a trans…
Vocab-286 EXAMPLE: insurance company
Vocab-288 EXAMPLE: lawyer
Vocab-287 EXAMPLE: police officer
Vocab-289 NOTE: Ancillary users typically provide verifi…
Vocab-405

3.3.1.4 authorized actor

rule implementer (3.3.1.22) that has rec…
Vocab-406 EXAMPLE: A construction contractor can be granted…
Vocab-407 NOTE: Depending on the rule, legal environment…
Vocab-73

3.3.1.5 consumer system developer

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-359

3.3.1.6 crowd-sourced data provider

supporting data provider (3.3.1.27) that…
Vocab-141

3.3.1.7 data provider

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-290 NOTE: The required degree of trustworthiness (…
Vocab-169

3.3.1.8 discrepancy handler

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-168

3.3.1.9 discrepancy reporter

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-292 NOTE: The information can be detected using ve…
Vocab-399 NOTE: Within METR enterprise view, the discrep…
Vocab-77

3.3.1.10 distributor

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-148

3.3.1.11 emergent rule distributor

distributor (3.3.1.10) that is responsib…
Vocab-293 NOTE: Emergent rule distributors are envisione…
Vocab-162

3.3.1.12 enforcer

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-294 NOTE: An enforcer can be authorized to enforce…
Vocab-295 NOTE: An enforcer can be from an independent o…
Vocab-157

3.3.1.13 infrastructure-sourced data provider

supporting data provider (3.3.1.27) that…
Vocab-159

3.3.1.14 installer

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-299 NOTE: Installer responsibilities include insta…
Vocab-376 NOTE: The installer can leave the conventional…
Vocab-395

3.3.1.15 issuing authority

rule maker (3.3.1.23) that established a…
Vocab-30

3.3.1.16 METR user

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-304 NOTE: METR users include transport users (ISO …
Vocab-305 NOTE: The need being fulfilled is often the pe…
Vocab-178

3.3.1.17 non-METR distributor

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-306 EXAMPLE: distribution system that provides rules …
Vocab-360

3.3.1.18 peer-sourced data provider

supporting data provider (3.3.1.27) that…
Vocab-156

3.3.1.19 pre-announced rule distributor

distributor (3.3.1.10) that is responsib…
Vocab-307 NOTE: The pre-announced rule distributor is pr…
Vocab-308 NOTE: A pre-announced rule distributor can als…
Vocab-8

3.3.1.20 receiver

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-309 NOTE: The material entity hosting the receiver…
Vocab-398 NOTE: Within METR enterprise view, the receive…
Vocab-417

3.3.1.21 regulator

rule maker (3.3.1.23) appointed by a jur…
Vocab-415 EXAMPLE: A private campus (3.1.1) can be granted …
Vocab-382 NOTE: The term "competent authority" is used i…
Vocab-361

3.3.1.22 rule implementer

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-403 NOTE: Enabling the rule includes ensuring unpo…
Vocab-300 NOTE: The rule implementer is responsible for …
Vocab-381

3.3.1.23 rule maker

role (ISO 14812:2021, 3.1.6.7) that has …
Vocab-424 NOTE: Rule makers include legislative bodies, …
Vocab-383 NOTE: A simple jurisdictional entity can have …
Vocab-384 NOTE: A complex jurisdictional entity can desi…
Vocab-9

3.3.1.24 rule signer

role (ISO 14812:2021, 3.1.12.3) that rev…
Vocab-396 NOTE: METR uses non-repudiation to permanently…
Vocab-386 NOTE: Ideally, the rule signing organization i…
Vocab-166

3.3.1.25 rule verifier

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-187

3.3.1.26 stored data provider

supporting data provider (3.3.1.27) that…
Vocab-311 EXAMPLE: Data store that provides configured info…
Vocab-312 NOTE: Stored data can change, but changes tend…
Vocab-21

3.3.1.27 supporting data provider

data provider (3.3.1.6) that is responsi…
Vocab-313 NOTE: Supporting data providers include in-veh…
Vocab-142

3.3.1.28 translator

role (ISO 14812:2021, 3.1.12.3) that is …
Vocab-171

3.3.1.29 transport-related user

METR user (3.3.1.16) that is either a tr…
Vocab-358

3.3.1.30 user-sourced data provider

supporting data provider (3.3.1.27) that…
Vocab-149

3.3.1.31 vehicle-sourced data provider

supporting data provider (3.3.1.27) that…
Vocab-296 EXAMPLE: GNSS positioning data (i.e., GNSS positi…
Vocab-297 NOTE: In-vehicle data providers can produce su…
Vocab-298 NOTE: The "user device" is nominally a vehicle…
Vocab-147

3.3.2 METR system terms

Vocab-150

3.3.2.1 central distribution system

METR distribution system (3.3.2.7) where…
Vocab-153

3.3.2.2 field distribution system

METR distribution system (3.3.2.7) where…
Vocab-81

3.3.2.3 METR

collection of ITS services (ISO 14812:20…
Vocab-151

3.3.2.4 METR component

ITS component (ISO 14812:2021, 3.1.8.2) …
Vocab-84

3.3.2.5 METR consumer system

ITS component (ISO 14812:2021, 3.1.8.2) …
Vocab-185

3.3.2.6 METR discrepancy handling system

ITS component (ISO 14812:2021, 3.1.8.2) …
Vocab-2

3.3.2.7 METR distribution system

ITS component (ISO 14812:2021, 3.1.8.2) …
Vocab-4

3.3.2.8 METR environment

aggregation of the METR system of system…
Vocab-215

3.3.2.9 METR regulation system

ITS component (ISO 14812:2021, 3.1.8.2) …
Vocab-3

3.3.2.10 METR system of systems

system of systems (3.3.2.12) representin…
Vocab-186

3.3.2.11 METR user system

ITS component (ISO 14812:2021, 3.1.8.2) …
Vocab-400 NOTE: A METR user system often includes other …
Vocab-379

3.3.2.12 system of systems

set of operationally and managerially in…
Vocab-397 NOTE: The operational and managerial independe…
Vocab-214

3.3.3 METR services

Vocab-165

3.3.3.1 rule discovery service

ITS service where one or more METR user …
Vocab-315 NOTE: The data can be sent through and summari…
Vocab-316 NOTE: The reported rules can be used as the in…
Vocab-317 NOTE: The reported rules can be used to update…
Vocab-217

3.3.3.2 rule verification service

ITS service that independently verifies …
Vocab-76

3.3.3.3 service registration and discovery service

service to find resources, entities or s…
Vocab-318
ISO/IEC 20924:2021, 3.1.16
Vocab-218

3.3.4 METR user terms

Vocab-158

3.3.4.1 enforcement organization

organization authorized by a jurisdictio…
Vocab-319 EXAMPLE: police department for a city
Vocab-320 NOTE: An enforcement agency can be authorized …
Vocab-321 NOTE: An enforcement agency can be an independ…
Vocab-322 NOTE: A jurisdictional entity can authorize mu…
Vocab-323 NOTE: An enforcement agency can perform other …
Vocab-29

3.3.4.2 METR operator

person that interfaces with a METR compo…
Vocab-192

3.3.4.3 translator agent

METR operator (3.3.4.2) that interfaces …
Vocab-43

3.4 Transport terms

Vocab-87

3.4.1 conventional traffic control device

physical infrastructure used to visually…
Vocab-402 NOTE: Traffic control devices include signs, s…
Vocab-423

3.4.2 telematic traffic control device

physical infrastructure used to wireless…
Vocab-422

3.4.3 traffic control device

physical infrastructure used to convey i…
Vocab-88

3.4.4 transport facility

physical structure or installation, incl…
Vocab-89

3.4.5 transport infrastructure

system of facilities, equipment and serv…
Vocab-44

3.5 Trustworthiness terms

Vocab-219

3.5.1 access control

means to ensure that access to assets is…
Vocab-330
ISO/IEC 27000:2018, 3.1
Vocab-7

3.5.2 completeness

degree to which an IT service supports a…
Vocab-96

3.5.3 data privacy

degree to which information is collected…
Vocab-331 NOTE: Information collection includes aggregat…
Vocab-332 NOTE: When the information relates to a person…
Vocab-333 NOTE: When the information relates to a vehicl…
Vocab-221

3.5.4 legitimacy

degree to which an IT service has offici…
Vocab-102

3.5.5 resilience

ability to anticipate and adapt to, resi…
Vocab-334
ISO 15392:2019, 3.21
Vocab-104

3.5.6 timeliness

degree to which an IT service delivers o…
Vocab-336 NOTE: In some cases, service timeliness is aff…
Vocab-335
ISO/IEC TS 25011:2017, 3.2.6.1, added "t…
Vocab-105

3.5.7 transparency

open, comprehensive and understandable p…
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ISO 14050:2020, 3.2.14
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3.5.8 trustworthiness

ability to meet users' expectations for …
Vocab-341 NOTE: Trustworthiness is an attribute that can…
Vocab-107 NOTE: Figure 1 shows the relationships among t…