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TABLE 1 ITS User Services


User Service Area


Travel and Transportation Management

En-route driver information


Route guidance


Traveler services information


Traffic control


Incident management


Emissions testing and mitigation

Travel Demand Management

Demand management and operations


Pre-trip travel information


Ride matching and reservation

Public Transportation Operations

Public transportation management


En-route transit information


Personalized public transit


Public travel security

Electronic Payment

Electronic payment services

Commercial Vehicle Operations

Commercial vehicle electronic clearance


Automated roadside safety inspection


On-board safety monitoring


Commercial vehicle administrative processes


Hazardous material incident response


Freight mobility

Emergency Management

Emergency notification and personal security


Emergency vehicle management

Advanced Vehicle Control and Safety Systems

Longitudinal collision avoidance


Lateral collision avoidance


Intersection collision avoidance


Vision enhancement for crash avoidance


Safety readiness


Pre-crash restraint deployment


Automated vehicle operation

NOTE: User services as defined by the National ITS Program Plan, ITS America, March 1995.

Like standards development, many other aspects of ITS development and deployment will involve new and complex coordination issues. The technologies for many ITS applications have already been developed, but a variety of nontechnical issues will determine how and when these applications become widely available. Liability, intellectual property, security, privacy, and data ownership issues will all influence the commitment of private firms to deploying ITS services and the interest of users in adopting them.

Those in government and in industry responsible for planning and coordinating ITS developments recognize that some of the communications systems, such as those supporting traffic flow control and addressing emergency situations, will require real-time, quick response capability with high reliability. Such systems will probably have to be dedicated to ITS applications. At the other extreme, trip planning and many other offline applications can surely be supported by the nation's general purpose data networks—the NII. It is unclear, however, where the boundaries lie and what combination of architecture, commercial strategies, public services, and regulatory constraints will serve to define this relationship. In short, is the ITS a domain-specific application of the NII? Or is ITS a special environment whose information systems support is specialized and only loosely coupled, through data sharing, with the NII?

Intelligent Transportation Systems

The mission of the ITS program is to improve the safety, efficiency, and capacity of the country's surface transportation system through the use of information technology. The ITS program is coordinated within DOT,

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