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Functions

"Functions" are a description of WHAT the system has to do. In the National ITS Architecture, functions are defined at several different levels, ranging from general subsystem descriptions through somewhat more specific equipment package descriptions to Process Specifications that include substantial detail. The equipment packages that are associated with one or more elements in the regional ITS architecture are listed below. Each equipment package is a link to more detailed information, including the portion of the regional ITS architecture that implements the function, and the National ITS Architecture Process Specifications that may be applicable..

Subsystem	Equipment Package
Archived Data Management Subsystem	Government Reporting Systems Support
	ITS Data Repository
	On-Line Analysis and Mining
	Traffic and Roadside Data Archival
	Virtual Data Warehouse Services
Commercial Vehicle Administration	CV Information Exchange
	CV Safety Administration
	International CV Administration
Commercial Vehicle Check	Citation and Accident Electronic Recording
	International Border Crossing
	Roadside Electronic Screening
	Roadside WIM
Emergency Management	Emergency Call-Taking
	Emergency Dispatch
	Emergency Environmental Monitoring
	Emergency Response Management
	Emergency Secure Area Surveillance
	Mayday Support
Emergency Vehicle Subsystem	On-board EV En Route Support
Emergency Vehicle Subsystem	On-board EV Incident Management Communication
Information Service Provider	Basic Information Broadcast
	Infrastructure Provided Route Selection
	Infrastructure Provided Yellow Pages & Reservation
	Interactive Infrastructure Information
	ISP Data Collection
Maintenance and Construction Management	MCM Environmental Information Processing
Maintenance and Construction Management	MCM Incident Management
Parking Management	Parking Coordination
	Parking Electronic Payment
	Parking Management
	Parking Surveillance
Personal Information Access	Personal Basic Information Reception
Personal Information Access	Personal Interactive Information Reception
Remote Traveler Support	Remote Basic Information Reception
	Remote Interactive Information Reception
	Remote Mayday I/F
	Remote Transit Fare Management
	Remote Transit Information Services
	Secure Area Monitoring
Roadway Subsystem	Roadway Basic Surveillance
	Roadway Equipment Coordination
	Roadway Freeway Control
	Roadway Incident Detection
	Roadway Probe Beacons
	Roadway Reversible Lanes
	Roadway Signal Controls
	Roadway Traffic Information Dissemination
	Standard Rail Crossing
Toll Administration	Toll Administration
Toll Collection	Toll Plaza Toll Collection
Traffic Management	Collect Traffic Surveillance
	HRI Traffic Management
	Rail Operations Coordination
	TMC Environmental Monitoring
	TMC Freeway Management
	TMC Incident Detection
	TMC Incident Dispatch Coordination/Communication
	TMC Regional Traffic Control
	TMC Reversible Lane Management
	TMC Signal Control
	TMC Toll/Parking Coordination
	TMC Traffic Information Dissemination
	TMC Traffic Network Performance Evaluation
	Traffic Data Collection
	Traffic Maintenance
Transit Management	Transit Center Fare and Load Management
	Transit Center Fixed-Route Operations
	Transit Center Information Services
	Transit Center Multi-Modal Coordination
	Transit Center Paratransit Operations
	Transit Center Security
	Transit Center Tracking and Dispatch
	Transit Data Collection
	Transit Garage Maintenance
	Transit Garage Operations
Transit Vehicle Subsystem	On-board Fixed Route Schedule Management
	On-board Maintenance
	On-board Paratransit Operations
	On-board Transit Fare and Load Management
	On-board Transit Information Services
	On-board Transit Security
	On-board Transit Signal Priority
	On-board Transit Trip Monitoring

Last Update: 06-05-2003

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