Browse Publications Technical Papers 2008-01-2649
2008-10-07

Overview of Vehicle Infrastructure Integration (VII) Applications 2008-01-2649

Vehicle Infrastructure Integration (VII) is an initiative of the US Department of Transportation to provide communications among vehicles and between vehicles and roadside infrastructure in order to increase the safety and productivity of transportation systems. It makes use of but is not restricted to the 5.9 GHz Dedicated Short Range Communication (DSRC) spectrum.
There are 3 major categories of applications for VII - Highway Safety, Vehicular Mobility, and Consumer & Commercial Services.
There are currently approximately 42,000 traffic fatalities a year in the United States. Reducing deaths, injuries and property damage is of the highest priority in the development of VII applications. Electronic Brake Warning, Signal Phase and Timing, and Collision Detection are among the applications dedicated to improving highway safety.
Increasing traffic volume is outpacing the addition of new roadway capacity, resulting in increasing delays, congestion and frustration. Vehicle Mobility applications are intended to address these concerns. Example applications include Traveler Information and Off-board navigation with real-time traffic updates.
The deployment of a large-scale, standards-based infrastructure enables ubiquitous applications for both public and private enterprises. Beyond Electronic Tolling and Fleet Management, it allows Remote Diagnostics and Software Updates to be provided nationwide.
This paper provides overviews of several VII applications and describes the benefits provided to commercial vehicles and other operators.

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