Overview of Rural Intersection Crashes at Candidate Intersections for the Intersection Decision Support (IDS) System

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Overview of Rural Intersection Crashes at Candidate Intersections for the Intersection Decision Support (IDS) System

Authors

Preston, Howard

Storm, Richard

Donath, Max

Shankwitz, Craig

Crowson, Ginny

Published Date

2008-11

Publisher

Minnesota Department of Transportation

Type

Report

Abstract

The Intersection Decision Support (IDS) research project is sponsored by a consortium of states (Minnesota, California, and Virginia) and the Federal Highway Administration (FHWA), whose objective is to improve intersection safety. The Minnesota team’s focus is to develop a better understanding of the causes of crashes at rural unsignalized intersections and then develop a technology solution to address the cause(s). In the original study, a review of Minnesota’s rural crash records and of past research identified poor driver gap selection as a major contributing cause of rural intersection crashes. Consequently, the design of the rural IDS technology has focused on enhancing the driver's ability to successfully negotiate rural intersections by communicating information about the available gaps in the traffic stream to the driver. In order to develop an IDS technology that has the potential to be nationally deployed, the regional differences at rural intersections must first be understood. Only then can a universal solution be designed and evaluated. To achieve this goal of national consensus and deployment, the University of Minnesota and the Minnesota Department of Transportation initiated a State Pooled Fund study, in which nine states cooperated in intersectioncrash research. This report provides an overview of the crash analysis phase of the pooled fund study for all participating states. This includes patterns identified in severity, driver, and type of error as well as countermeasures previously tried by states.

Keywords

Intersection Decision Support

Safety

Rural Roadways

Thru-STOP intersections

Rural intersections

Rural crashes

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Research Reports

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MnDOT
2008-53

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Minnesota Department of Transportation

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Preston, Howard; Storm, Richard; Donath, Max; Shankwitz, Craig; Crowson, Ginny. (2008). Overview of Rural Intersection Crashes at Candidate Intersections for the Intersection Decision Support (IDS) System. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/151446.

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