United States Department of Transportation
i
Vehicle infrastructure integration (VII) based road-condition warning system for highway collision prevention.
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2009-05-01
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[PDF-2.97 MB]
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Abstract:As a major ITS initiative, the Vehicle Infrastructure Integration (VII) program is to revolutionize
transportation by creating an enabling communication infrastructure that will open up a wide range of
safety applications. The road-condition warning system is a unique application of VII technology, which is
to provide drivers with real-time information about unexpected roadway conditions ahead, such as
accidents, speed reduction zones, hazardous weather conditions, etc. The safety effectiveness of the VIIbased
warning systems needs to be investigated under various driving conditions. In this study, three
different types of warning systems: Rural Highway Driver Warning System (RHDWS), Highway Lane
Change Warning System (HLCWS) and Work Zone Driver Warning System (WZDWS), were designed
and tested in the designed highway scenarios by driving simulator experiments. The experimental results
show that all three systems can reduce the crashes in the designed environment. According to the survey
result, the system is easy for the driver and helpful to them in driving safely under various driving
conditions. The results of this research will be helpful for the decision making on the application of VII
technology.
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