BS EN ISO 12813:2019

What is ISO 12813- Compliance check communication to track road usage about?  

ISO 12813 is an International Standard that discusses electronic fee collection. 

ISO 12813 defines requirements for short-range communication for the purposes of compliance checking in autonomous electronic fee collecting systems. Compliance checking communication (CCC) takes place between a road vehicle's on-board equipment (OBE) and an interrogator and serves to establish whether the data that are delivered by the OBE correctly reflect the road usage of the corresponding vehicle according to the rules of the pertinent toll regime. 

The operator of the compliance checking interrogator is assumed to be part of the toll charging role. The CCC permits identification of the OBE, vehicle and contract, and verification of whether the driver has fulfilled his obligations and the checking status and performance of the OBE. 

ISO 12813 is applicable to OBE in an autonomous mode of operation that defines data syntax and semantics, but not a communication sequence. All the attributes defined herein are required in any OBE claimed to be compliant with this document, even if some values are set to “not defined” in cases where certain functionality is not present in an OBE.  

The CCC is suitable for a range of short-range communication media. Specific definitions are given for the CEN-DSRC as specified in EN 15509, as well as for the use of ISO CALM IR, the Italian DSRC as specified in ETSI ES 200 674-1, ARIB DSRC and WAVE DSRC as alternatives to the CEN-DSRC. The attributes and functions defined are for compliance checking by means of the DSRC communication services provided by DSRC application layer, with the CCC attributes and functions made available to the CCC applications at the roadside equipment (RSE) and OBE. The attributes and functions are defined on the level of application data units (ADU). 

Note: A test suite for checking an OBE or RSE implementation for compliance with this document is defined in the corresponding edition of ISO 13143-1 and ISO 13143-2. 

Who is ISO 12813-CCC to track road usage for? 

ISO 12813 on electronic fee collection is relevant to: 

• IT applications in transport and trade 
• Roadside equipment manufacturers 
• Toll service providers 
• Road transport authorities 
• Regulatory bodies 

Why should you use ISO 12813- CCC to track road usage?  

OBE that uses satellite-based positioning technology to collect data required for charging for the use of roads operates in an autonomous way. The OBE will record the amount of road usage in all toll charging systems it passes through. 

ISO 12813 defines helpful requirements to users for dedicated short-range communication (DSRC) between OBE and an interrogator for the purpose of checking compliance of road use with a local toll regime.  

ISO 12813 is prepared to fulfil the following statements: 

• Collected evidence can be used as court proof 
• The data required for compliance checking is read only, since the operator of the interrogator does not interfere with the working of the OBE 
• All attributes, standardised at the time of personalisation of the OBE, are present in the OBE such that an operator of an interrogator essentially can read the same data from all OBE independent of type and make 
• The attributes, derived from the individual toll regime, are of general importance for all toll system types 
• The attributes apply to all OBE architectures, and especially to both thin (edge-light) and fat (edge heavy) client architectures. The interrogator is intended to receive essentially the same information irrespective of the type of OBE. 

Overall, ISO 12813 has been prepared with the intention to be “minimalist” in the sense that it covers what is required by operational systems and systems planned in the foreseeable future. 

What’s changed since the last update?  

BS EN ISO 12813:2019 supersedes BS EN ISO 12813:2015+A1:2017. BS EN ISO 12813:2019 includes some technical changes with respect to BS EN ISO 12813:2015+A1:2017. These include: 

• Inclusion of the changes of ISO 12813:2015/Amd 1:2017(E), i.e. it defines the electronic fee 
• Collection compliance check communication using the WAVE communication stack as defined in IEEE 
• Reverting the length of attribute Gnss Status back to 23 octets and removing the data element of type Altitude 
• Allowing a maximum of two instances of AID = 20 in the Application List in the VST; 
• Adding values go Suspicion (5) and no Go Payment Means (4) to the data element status indicator as well as updating and clarifying the semantic definitions of all statuses and when they change 
• Clarifying the relationship between the LLLL element in VehicleClass and the Local Vehicle Class Id