Physical entities are the persons, places, and things that make up an intelligent transportation system. In the physical architecture, an entity represents a subsystem or terminator, as follows:
| Centre |
Emergency Management (EM)
Emissions Management (EMMS)
Toll Administration (TAS)
Traffic Management (TMS)
Transit Management (TRMS)
|
|---|---|
| Field |
Commercial Vehicle Check (CVCS)
Intermodal Terminal (ITSS)
Parking Management (PMS)
Roadway Subsystem (RS)
Toll Collection (TCS)
|
| Traveller |
Personal Information Access (PIAS)
Remote Traveller Support (RTS)
|
| Vehicle |
Transit Vehicle Subsystem (TRVS)
Vehicle (VS)
|