Functions

Functions are a description of WHAT the system has to do. In the architecture, functions are defined at several different levels. Each inventory element is mapped to one or more physical objects from ARC–IT. The general descriptions associated with these physical objects identify functionality in a very general sense. At the next level of detail, most of the ITS elements have been mapped to one or more "Functional Objects" that provide additional functional detail. At the most detailed level, each functional object includes several specific Functional Requirements that more precisely specify the functions to be performed. All three levels of detail are available on this web site. The subsystems and functional objects that are associated with the regional ITS architecture are listed in the table below. Each table entry is a link to more detailed descriptions and functional requirements.

SubsystemFunctional Area
Archived Data SystemArchive Data Repository
Archive Situation Data Archival
CenterCenter Map Management
Commercial Vehicle OBECV On–Board Cargo Monitoring
Connected Vehicle Roadside EquipmentRSE CACC Operations
RSE Environmental Monitoring
RSE Intersection Management
RSE Map Management
RSE Situation Monitoring
RSE Speed Warning
RSE Toll Collection
RSE Traffic Monitoring
Emergency Management CenterEmergency Call–Taking
Emergency Commercial Vehicle Response
Emergency Data Collection
Emergency Dispatch
Emergency Early Warning System
Emergency Environmental Monitoring
Emergency Evacuation Support
Emergency Incident Command
Emergency Response Management
Emergency Routing
Emergency Secure Area Alarm Support
Emergency Secure Area Sensor Management
Emergency Secure Area Surveillance
Emergency Vehicle OBEEV On–Board En Route Support
EV On–Board Incident Management Communication
EV Service Patrol Vehicle Operations
Fleet and Freight Management CenterFreight Administration and Management
ITS Communications EquipmentITS Communications Privacy Protection
ITS Communications Services
ITS ObjectITS Communications Support
ITS Security Support
ITS Roadway EquipmentRoadway Basic Surveillance
Roadway Data Collection
Roadway Dynamic Lane Management and Shoulder Use
Roadway Environmental Monitoring
Roadway Field Device Support
Roadway Field Management Station Operation
Roadway Infrastructure Monitoring
Roadway Passive Monitoring
Roadway Reversible Lanes
Roadway Signal Control
Roadway Signal Preemption
Roadway Speed Monitoring and Warning
Roadway Standard Rail Crossing
Roadway Traffic Information Dissemination
Roadway Traffic Metering
Roadway Work Zone Traffic Control
ITS Roadway Payment EquipmentRoadway Toll Collection Support
Maint and Constr Management CenterMCM Data Collection
MCM Environmental Information Collection
MCM Field Equipment Maintenance
MCM Incident Management
MCM Infrastructure Monitoring
MCM Maintenance Decision Support
MCM Roadway Maintenance
MCM Vehicle Maintenance Management
MCM Vehicle Tracking
MCM Work Activity Coordination
MCM Work Zone Management
Maint and Constr Vehicle OBEMCV Infrastructure Monitoring
MCV Roadway Maintenance and Construction
MCV Vehicle Location Tracking
MCV Vehicle System Monitoring and Diagnostics
MCV Work Zone Support
Map Update SystemMap Management
Parking Management SystemParking Coordination
Parking Electronic Payment
Parking Management
Parking Park and Ride Operations
Payment Administration CenterPAC Payment Administration
Personal Information DevicePersonal Interactive Traveler Information
Personal Map Management
Personal Shared Use Planning
Personal Traveler Information Reception
Personal Trip Planning and Route Guidance
Security Monitoring EquipmentField Secure Area Sensor Monitoring
Field Secure Area Surveillance
Traffic Management CenterTMC Barrier System Management
TMC Basic Surveillance
TMC CACC Operations
TMC Data Collection
TMC Demand Management Coordination
TMC Dynamic Lane Management and Shoulder Use
TMC Environmental Monitoring
TMC Evacuation Support
TMC Incident Detection
TMC Incident Dispatch Coordination
TMC In–Vehicle Signing Management
TMC Multi–Modal Coordination
TMC Passive Surveillance
TMC Regional Traffic Management
TMC Restricted Lanes CV Application
TMC Reversible Lane Management
TMC Roadway Equipment Monitoring
TMC Safeguard System Management
TMC Service Patrol Management
TMC Signal Control
TMC Situation Data Management
TMC Speed Warning
TMC Standard Rail Crossing Management
TMC Traffic Information Dissemination
TMC Traffic Management Decision Support
TMC Traffic Metering
TMC Traffic Network Performance Evaluation
TMC Work Zone Traffic Management
Transit Management CenterTransit Center Data Collection
Transit Center Fare Management
Transit Center Fixed–Route Operations
Transit Center Information Services
Transit Center Multi–Modal Coordination
Transit Center Operator Assignment
Transit Center Paratransit Operations
Transit Center Park and Ride Operations
Transit Center Passenger Counting
Transit Center Priority Management
Transit Center Security
Transit Center Vehicle Assignment
Transit Center Vehicle Tracking
Transit Evacuation Support
Transit Garage Maintenance
Transit Vehicle OBETransit Vehicle On–Board Fare Management
Transit Vehicle On–Board Information Services
Transit Vehicle On–Board Maintenance
Transit Vehicle On–Board Paratransit Operations
Transit Vehicle On–Board Trip Monitoring
Transit Vehicle Passenger Counting
Transit Vehicle Schedule Management
Transit Vehicle Security
Transit Vehicle Signal Priority
Transportation Information CenterTIC Connected Vehicle Traveler Info Distribution
TIC Data Collection
TIC Dynamic Ridesharing
TIC Emergency Traveler Information
TIC Interactive Traveler Information
TIC Operations Data Collection
TIC Shared Use
TIC Situation Data Management
TIC Traffic Regulation Dissemination
TIC Traveler Information Broadcast
TIC Traveler Telephone Information
TIC Trip Planning
Traveler Support EquipmentTransit Stop Information Services
Vehicle OBEVehicle Basic Safety Communication
Vehicle Basic Toll/Parking Payment
Vehicle Control Automation
Vehicle Control Warning
Vehicle Cooperative Cruise Control
Vehicle Eco–Driving Assist
Vehicle Environmental Monitoring
Vehicle Interactive Traveler Information
Vehicle Intersection Warning
Vehicle Map Management
Vehicle Payment Service
Vehicle Roadside Information Reception
Vehicle Situation Data Monitoring
Vehicle Speed Management Assist
Vehicle Traveler Information Reception
Vehicle Trip Planning and Route Guidance