Chattanooga Regional ITS Architecture

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.

Subsystem	Functional Area
Archived Data System	Archive Data Repository
	Archive Government Reporting
	Archive Situation Data Archival
Commercial Vehicle Administration Center	CVAC Credentials and Taxes Administration
Commercial Vehicle Check Equipment	CVCE Weigh–In–Motion
Connected Vehicle Roadside Equipment	RSE Infrastructure Restriction Warning
	RSE Intersection Management
	RSE Restricted Lanes Application
	RSE Situation Monitoring
	RSE Speed Warning
	RSE Traffic Monitoring
	RSE Traveler Information Communications
	RSE Wrong Way Vehicle Warning
Electric Charging Station	Electric Charging Station Management
Emergency Management Center	Emergency Call–Taking
	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 OBE	EV On–Board En Route Support
	EV On–Board Incident Management Communication
	EV Service Patrol Vehicle Operations
Emissions Management Center	Emissions Data Management
Fleet and Freight Management Center	Fleet Administration
	Freight Administration and Management
ITS Object	ITS Management Support
	ITS Security Support
ITS Roadway Equipment	Roadway Barrier System Control
	Roadway Basic Surveillance
	Roadway Dynamic Lane Management and Shoulder Use
	Roadway Emissions Monitoring
	Roadway Environmental Monitoring
	Roadway Incident Detection
	Roadway Infrastructure Monitoring
	Roadway Mixed Use Crossing Safety
	Roadway Passive Monitoring
	Roadway Restriction Monitoring and Warning
	Roadway Signal Control
	Roadway Speed Monitoring and Warning
	Roadway Standard Rail Crossing
	Roadway Traffic Information Dissemination
	Roadway Traffic Metering
	Roadway Variable Speed Limits
	Roadway Warning
	Roadway Work Zone Traffic Control
	Roadway Wrong Way Vehicle Detection
Maint and Constr Management Center	MCM Environmental Information Collection
	MCM Environmental Information Processing
	MCM Incident Management
	MCM Infrastructure Monitoring
	MCM Roadway Maintenance
	MCM Vehicle Tracking
	MCM Work Activity Coordination
	MCM Work Zone Management
Maint and Constr Vehicle OBE	MCV Vehicle Location Tracking
	MCV Work Zone Support
Parking Area Equipment	Parking Area Electronic Payment
	Parking Area Management
Personal Information Device	Personal Interactive Traveler Information
Security Monitoring Equipment	Field Secure Area Sensor Monitoring
	Field Secure Area Surveillance
Traffic Management Center	TMC Barrier System Management
	TMC Basic Surveillance
	TMC Data Collection
	TMC Environmental Monitoring
	TMC Evacuation Support
	TMC Incident Detection
	TMC Incident Dispatch Coordination
	TMC Multi–Modal Coordination
	TMC Regional Traffic Management
	TMC Roadway Equipment Monitoring
	TMC Roadway Warning
	TMC Signal Control
	TMC Speed Warning
	TMC Standard Rail Crossing Management
	TMC Traffic Information Dissemination
	TMC Traffic Metering
	TMC Variable Speed Limits
	TMC Work Zone Traffic Management
Transit Management Center	Transit Center Connection Protection
	Transit Center Data Collection
	Transit Center Fare Management
	Transit Center Fixed–Route Operations
	Transit Center Information Services
	Transit Center Multi–Modal Coordination
	Transit Center Paratransit 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 OBE	Transit 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 Center	TIC Connected Vehicle Traveler Info Distribution
	TIC Data Collection
	TIC Emergency Traveler Information
	TIC Interactive Traveler Information
	TIC Operations Data Collection
	TIC Traveler Information Broadcast
	TIC Traveler Telephone Information
	TIC Trip Planning
Traveler Support Equipment	Transit Stop Information Services
	Traveler Fare Management
Vehicle OBE	Vehicle Basic Safety Communication
	Vehicle Basic Toll/Parking Payment
	Vehicle Electric Charging Assist
	Vehicle Emissions Monitoring
	Vehicle Intersection Warning
	Vehicle Payment Service
	Vehicle Restricted Lanes Application
	Vehicle Roadside Information Reception
	Vehicle Situation Data Monitoring
	Vehicle Speed Management Assist