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)
• Electric Charging Management Center (ECMC)
• Emergency Management Center (EMC)
• Fleet and Freight Management Center (FFMC)
• Maint and Constr Management Center (MCMC)
• METR Distribution Center (MDC)
• Parking Management Center (PMC)
• Payment Administration Center (PAC)
• Shared Use Transportation Center (SUTC)
• Traffic Management Center (TMC)
• Transit Management Center (TRMC)
• Transportation Information Center (TIC)

Roadside

• Commercial Vehicle Check Equipment (CVCE)
• Connected Vehicle Roadside Equipment (RSE)
• Electric Charging Station (ECS)
• 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 Information Device (PID)

Vehicle

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

 

ITS Architecture Terminators

Environment

• Potential Obstacles (PO)
• Vulnerable Road Users (VRU)

Human

• Pedestrian (PED)

Other System

• None

System

• Alternate Mode Transportation Center (AMTC)
• Archived Data User System (ADUS)
• Asset Management System (AMS)
• Basic Commercial Vehicle (BCV)
• Basic Vehicle (BV)
• Care Facility (CF)
• DMV (DMV)
• Enforcement Center (EC)
• Event Promoter System (EPS)
• Financial Center (FC)
• Media (M)
• Multimodal Crossing Equipment (MCE)
• Other Data Sources (ODS)
• Payment Device (PAYD)
• Rail Operations Center (ROC)
• Surface Transportation Weather Service (STWS)
• Traveler Card (TC)
• Traveler Information Voice System (TIVS)
• Wayside Equipment (WE)
• Weather Service System (WSS)