Road transport
Application layer (OSI)
Data transmission methods
Character strings
Traffic
Computer applications
Data handling
Data processing
Traffic control
Electronic equipment and components
Messages
Toll systems
Transportation
Information exchange
Data transmission
Interfaces (data processing)
Syntax
Addresses (data processing)
Link: PD ISO/TR 21190:2018 Electronic fee collection. Investigation of charging policies and technologies for future standardization
Source: BSI Standards
