Entities

An entity is defined in the National ITS Architecture as either a subsystem or terminator. Subsystems are internal to the ITS architecture whereas terminators are at the boundary of the ITS architecture. The groupings below contain the subsystems first followed by the terminators.

ITS Architecture Subsystems

Centers

• Authorizing Center (AC)
• Center (CTR)
• Emergency Management Center (EMC)
• Fleet and Freight Management Center (FFMC)
• Maint and Constr Management Center (MCMC)
• Parking Management Center (PMC)
• Payment Administration Center (PAC)
• Traffic Management Center (TMC)
• Transportation Information Center (TIC)

Roadside

• Connected Vehicle Roadside Equipment (RSE)
• Field (FLD)
• ITS Roadway Equipment (ITSRE)
• ITS Roadway Payment Equipment (RPE)
• Parking Area Equipment (PAE)
• Security Monitoring Equipment (SME)
• Traveler Support Equipment (TSE)

Traveler

• Personal (P)
• Personal Information Device (PID)

Vehicle

• Commercial Vehicle OBE (CVOBE)
• Emergency Vehicle OBE (EVOBE)
• Light Vehicle OBE (LVOBE)
• Maint and Constr Vehicle OBE (MCVOBE)
• Vehicle (V)

 

ITS Architecture Terminators

Environment

• None

Human

• None

Other System

• None

System

• Archived Data User System (ADUS)
• Asset Management System (AMS)
• Basic Commercial Vehicle (BCV)
• Basic Vehicle (BV)
• DMV (DMV)
• Enforcement Center (EC)
• Event Promoter System (EPS)
• Financial Center (FC)
• Location and Time Data Source (LTDS)
• Media (M)
• Payment Device (PAYD)
• Traveler Card (TC)
• Weather Service System (WSS)