ISO TC 204 Information
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      • About TC 204
      • About ISO Documents
      • Intro to ITS
      • Business Plan
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      • Vocabulary
      • Acknowledgements
      • Contributions
      • FAQs
      • Overview
      • Foundational concepts
      • Architecture (WG 1)
      • Big data and AI (WG 20)
      • City data model - Transport (JWG 1)
      • Communications (WG 16)
      • Cooperative systems (WG 18)
      • Coordination (AG 4)
      • Cybersecurity (AHG 2)
      • Driving automation and active safety systems (WG 14)
      • Fee and toll collection (WG 5)
      • Fleet management (WG 7)
      • Geographic data (WG 3)
      • Geographic information systems (JWG 11)
      • Identifiers (AG 2)
      • Mobility integration (WG 19)
      • Nomadic devices in ITS (WG 17)
      • Operational improvement (AG 3)
      • Public transport/emergency (WG 8)
      • Publication and marketing (AG 5)
      • Identifiers (AG 2)
      • Transport mgmt and control (WG 9)
      • Traveller information (WG 10)
      • Overview
        • Overview
        • Background
        • Request an ITS-AID
        • Request any other ID
        • ITS-AID List
        • ITS-ATT List
        • ITS-FlowType
        • ITS-LCH List
        • ITS-MsgSetID
        • ITS-OrgID
        • ITS-PN-FNTP
        • ITS-PRID
        • ITS-ProtID
        • ITS-ProtStckID
        • ITS-RRID
        • ITS-S-APDID
        • ITS-S-APPID
        • ITS-S-MSECID
        • ITS-S-MSEID
        • ITS-SCU-CMCID
        • ITS-SEMID
        • ITS-SRSA
        • Home
        • Ontology formats
        • Ontology Registry
        • Concept Registry
              • Home
                • Activity (Activity)
                • Activity Ontology Thing (Activity)
                • Activity Status (Activity)
                • Conjunctive State (Activity)
                • Disjunctive State (Activity)
                • Manifestation State (Activity)
                • Non Terminal State (Activity)
                • State (Activity)
                • State Status (Activity)
                • Terminal State (Activity)
                • Agent (Agent)
                • Agent Ontology Thing (Agent)
                • Agent (Agreement)
                • Agreement (Agreement)
                • Agreement Ontology Thing (Agreement)
                • Atomic Agreement
                • Complex Agreement
                • Conjunctive Agreement (Agreement)
                • Disjunctive Agreement (Agreement)
                • acceleration
                • acceleration unit
                • amount of money
                • area
                • area unit
                • Capacity (CityUnits)
                • Capacity Rate (CityUnits)
                • Capacity Size (CityUnits)
                • Cardinality Measure (CityUnits)
                • Cardinality Unit Per Time (CityUnits)
                • City Units Thing (CityUnits)
                • duration
                • function
                • Geo_Position_unit (CityUnits)
                • length
                • length unit
                • mass
                • mass unit
                • Monetary Value (CityUnits)
                • ratio
                • speed
                • speed unit
                • time unit
                • Value Of Money (CityUnits)
                • volume
                • volume unit
                • Change Ontology Thing (Change)
                • First Manifestation (Change)
                • Manifestation (Change)
                • Consume State (Resource)
                • Divisible Resource (Resource)
                • Non Divisible Resource (Resource)
                • Planned Allocation (Resource)
                • Produce State (Resource)
                • Release State (Resource)
                • Resource (Resource)
                • Resource Ontology Thing (Resource)
                • Terminal Resource State (Resource)
                • Use State (Resource)
                • Activity (Prov)
                • Agent (Prov)
                • Prov Ontology Thing (Prov)
                • Organization (OrganizationStructure)
                • Organization Structure Ontology Thing (OrganizationStructure)
                • Daily Recurring Event (RecurringEvent)
                • Exception Day (RecurringEvent)
                • Monthly Recurring Event (RecurringEvent)
                • Recurring Event (RecurringEvent)
                • Recurring Event Thing (RecurringEvent)
                • Weekly Recurring Event (RecurringEvent)
                • Yearly Recurring Event (RecurringEvent)
                • Location (SpatialLoc)
                • Spatial Loc Ontology Thing (SpatialLoc)
                • Time Ontology Thing (Time)
              • Home
                • Building (Building)
                • Building Facility (Building)
                • Building Function (Building)
                • Building Ontology Thing (Building)
                • Building Unit (Building)
                • Building Use (Building)
                • Construction Status (Building)
                • Facility (Building)
                • Schema Org Thing (Building)
                • Amending Bylaw (Bylaw)
                • Bylaw (Bylaw)
                • Bylaw Ontology Thing (Bylaw)
                • Clause (Bylaw)
                • Definition (Bylaw)
                • Law (Bylaw)
                • Main Bylaw (Bylaw)
                • Revision Bylaw (Bylaw)
                • Schedule (Bylaw)
                • Business Establishment (Organization)
                • Business Id (Organization)
                • City Org Ontology Thing (Organization)
                • Compensation (Organization)
                • Employment (Organization)
                • Employment Status (Organization)
                • For Profit Organization (Organization)
                • Goal (Organization)
                • Government Organization (Organization)
                • Industry Type (Organization)
                • Non Profit Organization (Organization)
                • Occupation (Organization)
                • Operation (Organization)
                • Organization (Organization)
                • Organization Agent (Organization)
                • Role (Organization)
                • Salary (Organization)
                • Wage (Organization)
                • City (City)
                • City Administrative Area (City)
                • City Ontology Thing (City)
                • Jurisdictional Area (City)
                • City Resident (CityResident)
                • City Resident Ontology Thing (CityResident)
                • Controlled Entity (CityResident)
                • Entity Operation (CityResident)
                • Entity Ownership (CityResident)
                • Home Type (CityResident)
                • Residence (CityResident)
                • Residential Relationship (CityResident)
                • Catchment Area Type (CityService)
                • City Service Ontology Thing (CityService)
                • Impact Direction (CityService)
                • Importance (CityService)
                • Input (CityService)
                • Outcome (CityService)
                • Output (CityService)
                • Program (CityService)
                • Service (CityService)
                • Stakeholder (CityService)
                • Code (Code)
                • Code Ontology Thing (Code)
                • Address (Contact)
                • Address Type
                • Contact Thing (Contact)
                • Cottage Address
                • Country (Contact)
                • Fax Telephone Number
                • Home Address
                • Home Telephone Number
                • Hours Of Operation (Contact)
                • Mobile Telephone Number
                • Phone Number
                • Phone Type
                • Schema Org Thing (Contact)
                • State (Contact)
                • Street Direction
                • Street Type
                • Toll Free Telephone Number
                • Work Address
                • Work Telephone Number
                • Condition Precedent (Contract)
                • Contract (Contract)
                • Contract Ontology Thing (Contract)
                • Contractual Commitment (Contract)
                • Contractual Definition (Contract)
                • Contractual Element (Contract)
                • Non Binding Term (Contract)
                • Representation (Contract)
                • Warranty (Contract)
                • Household (Household)
                • Household Ontology Thing (Household)
                • Infrastructure Element (Infrastructure)
                • Infrastructure Ontology Thing (Infrastructure)
                • Employed Population (LandUse)
                • Land Area (LandUse)
                • Land Use Classification (LandUse)
                • Land Use Ontology Thing (LandUse)
                • Parcel (LandUse)
                • Resident Population (LandUse)
                • Traffic Zone (LandUse)
                • Citizenship (Person)
                • Education (Person)
                • Gender (Person)
                • ID Type (Person)
                • Person (Person)
                • Person Id (Person)
                • Person Name (Person)
                • Person Ontology Thing (Person)
                • Qualification (Person)
                • Schema Org Thing (Person)
                • Sex (Person)
                • Skill (Person)
                • sensors Thing (Sensors)
                • Bridge (TransportationInfrastructure)
                • Bridge Segment (TransportationInfrastructure)
                • Rail Line (TransportationInfrastructure)
                • Rail Line Segment (TransportationInfrastructure)
                • Rail Link (TransportationInfrastructure)
                • Rail Segment (TransportationInfrastructure)
                • Road (TransportationInfrastructure)
                • Road Link (TransportationInfrastructure)
                • Road Network Type (TransportationInfrastructure)
                • Road Segment (TransportationInfrastructure)
                • Transportation Infrastructure Ontology Thing (TransportationInfrastructure)
                • Travelled Way (TransportationInfrastructure)
                • Travelled Way Link (TransportationInfrastructure)
                • Travelled Way Segment (TransportationInfrastructure)
                • Tunnel (TransportationInfrastructure)
                • Tunnel Segment (TransportationInfrastructure)
              • Home
                • Micromobility Lane
                • Micromobility Link
                • Micromobility Network
                • Micromobility Path
                • Micromobility Path Section
                • Micromobility Path Segment
                • Footpath
                • Footpath Lane
                • Footpath Link
                • Footpath Network
                • Footpath Section
                • Footpath Segment
                • Group Of Lines
                • Point On Route
                • Public Transport Element
                • Public Transport Line
                • Public Transport Route
                • Public Transport System
                • Route Point
                • Rail Corridor
                • Rail Network
                • Rail Section
                • Track Link
                • Track Segment
                • Road
                • Road Lane
                • Road Link
                • Road Link User Type
                • Road Network
                • Road Section
                • Road Segment
                • Alert
                • Transport Alert
                • Junction
                • Network Element
                • Scheduled Code
                • Transport Network
                • Transport Node
                • Travelled Way
                • Travelled Way Lane
                • Travelled Way Link
                • Travelled Way Section
                • Travelled Way Segment
                • Travel Corridor
                • Travel Corridor Link
                • Travel Corridor Segment
              • ITS Pattern (transportnetwork)
              • Home
                  • Area Destination
                  • Area Location
                  • Destination
                  • Indexed Location
                  • Itinerary
                  • Itinerary By Indexed Locations
                  • Jurisdictional Entity
                  • Linear Location
                  • Location
                  • Location Group
                  • Location Group By List
                  • Location Reference (itsLocation)
                  • Location Thing
                  • Named Area
                  • Network Location
                  • Point Coordinates
                  • Point Destination
                  • Point Location
                  • Position Confidence Ellipse
                  • Supplementary Positional Description
                • Circle Location Reference (OpenLR)
                • Closed Line Location Reference (OpenLR)
                • Coordinates (OpenLR)
                • Form Of Way (OpenLR)
                • Functional Road Class (OpenLR)
                • Geo Coordinate Location Reference (OpenLR)
                • Grid Location Reference (OpenLR)
                • Line Attributes (OpenLR)
                • Line Location Reference (OpenLR)
                • Location Reference (OpenLR)
                • Location Reference Point (OpenLR)
                • Open LR Thing (OpenLR)
                • Orientation (OpenLR)
                • Path Attributes (OpenLR)
                • Point Along Line Location Reference (OpenLR)
                • Poi With Access Point Location Reference (OpenLR)
                • Polygon Location Reference (OpenLR)
                • Rectangle Location Reference (OpenLR)
                • Side Of Road (OpenLR)
              • Home
                • Legal Basis
                • Rule Maker
                • Traffic Regulation
                • Traffic Regulation Order
                • Tro Thing
              • Home
                • Day Selector
                • Fuzzy Time
                • Instance Of Day Within Month
                • Overall Period
                • Period
                • Public Holiday
                • Special Day
                • Time Period Of Day
                • Time Thing
                • Validity
      • Overview
      • METR
      • Introduction
      • Beginners Guide
        • Overview
        • Secure ITS Management Patterns
        • Application Security Patterns
        • Edge Device Security Patterns
        • Network and Transport Security Patterns
        • Deployment and Integration Security Patterns
        • Developer Patterns
        • Overview
        • Certificate Policy (CP)
        • SCMS Policy
        • CCMS Policy
        • Device Security Policy Configurations
      • ITS Threat analysis
      • Interoperability strategies
        • Overview
        • Standards developers
        • Cybersecurity Oversight and Policy Authorities
        • Infrastructure Owner Operators (IOOs)
        • ITS Application Developers
        • Certificate Management Authorities
        • Original Equipment Manufacturers (OEMs)
      • Misuse Cases
      • Secure ITS Management Patterns
      • Glossary
    • Resources
    About > Contact us

    Contact us

    Draft for review only

    Convenors of TC 204 are identified on our official ISO TC204 site | Structure tab

    You are welcome to reach out to Working Groups by addressing the convenor of the respective Working Group via our TC204 Secretariat.

    You can also get involved in TC 204 by contacting you national member body.

    October 28, 2025
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