The Intersection Decision Support (IDS) system is designed to assist drivers on stop-controlled low-volume rural roads choosing gaps when confronted with busy multiple lane divided-highways, without affecting traffic on the high-volume road. The hope is, that by providing better gap guidance, fewer crashes (and fatalities) will occur. This research develops a framework for analyzing such a new, and presently under-specified technology, and illustrates that framework by comparing that with more conventional engineering approaches, as well as a "do-nothing" base case. The results show that the IDS System may be an effective tool to reduce crash rates at various intersections. More research is needed to address reliability and stability issues, and in determining how cost- effective of a solution the IDS System is compared to other "traditional" alternatives.
Developing Intersection Decision Support Solutions No. 5
Minnesota Department of Transportation
Corbett, Michael; Levinson, David; Zou, Xi.
Benefit-Cost Analysis for Intersection Decision Support.
Minnesota Department of Transportation.
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