ISO 14814:2006 PDF

Overview - ISO 14814:2006 (AVI / AEI Reference Architecture)

ISO 14814:2006 defines a reference architecture and terminology for Automatic Vehicle Identification (AVI) and Automatic Equipment Identification (AEI) within Intelligent Transport Systems (ITS) / Road Transport and Traffic Telematics (RTTT). The standard provides an enabling, protocol‑neutral framework to achieve unambiguous identification of on‑board equipment (OBE) and related data constructs. It is deliberately not prescriptive about air‑interface frequencies or protocols, instead focusing on interoperability, scalability and upward migration to more capable systems.

Key topics and technical requirements

• Reference architecture model described at five levels: conceptual, functional, data, application and implementation.
• Data construct and message identification: the standard defines a data construct that identifies an ITS/RTTT message and the ITS/RTTT data structure contained in it - important for Electronic Data Interchange (EDI) scenarios.
• ASN.1 usage: adoption of Abstract Syntax Notation One (ISO/IEC 8824 and 8825) for data identification and encoding to maximize interoperability and minimize overhead.
• Identifier types: definitions for Primitive Identifiers and Constructed Identifiers, plus Coding Scheme Identifiers (CSI) for prescribed coding schemes.
• Device modes: supports both read‑only and read/write OBE implementations and defines reader / interrogator roles and read/write cycles.
• Air‑interface neutrality: applies to systems using inductive (low frequency), RFID (LF to microwave), infrared, etc., but does not define frequency or protocol specifics.
• High population capability & upward migration: designed to handle large deployments and future enhancements without breaking interoperability.
• EDI compatibility: aligns with EDI practices (e.g., CEDEX / ISO 9897) for data exchange in transport applications.

Applications and who uses the standard

Practical applications include:

• Road charging and tolling
• Parking management and access control
• Vehicle fleet management and tracking
• Automatic fee collection and payment systems
• Information and traffic control systems
• Intermodal goods transport (as a complementary architecture)

Typical users:

• ITS architects and system integrators
• Transport authorities and toll operators
• OBE, reader and RFID equipment manufacturers
• Standards bodies and compliance teams
• Software vendors handling ITS data interchange and EDI

Related standards

• ISO/IEC 8824 & 8825 (ASN.1 and encoding rules)
• ISO TR 14813 (ITS reference model architecture)
• ISO 14815, ISO 14816, ISO 14817 (AVI/AEI series)
• ISO 9897 (CEDEX / EDI for containers)
• ISO/TS 17261, 17262, 17263 (Intermodal goods transport)

ISO 14814:2006 is essential for organizations seeking a vendor‑neutral, interoperable foundation for AVI/AEI deployments within ITS - enabling consistent identification, data exchange and future‑proof system integration.