Observations of Driver Time Gap Acceptance at Intersections in Left-Turn Across-Path--Opposite-Direction Scenarios
Intersection collision warning systems can potentially reduce the number of collisions and associated losses. A critical design aspect of these systems is the selection of warning criteria, which represent a set of conditions and parameters under which the decision and the timing to issue warnings are determined. Proper warning criteria allow the generation of timely signals for drivers while minimizing false and nuisance alarms. The paper describes the development of a methodology to observe and analyze the selection of time gaps exhibited by driver behaviors in a real-world setting. The data collection procedures and analysis techniques are explained for left-turn across-path-opposite-direction scenarios, which constitute more than a quarter of crossing path crashes at intersections. Exemplar data sets from an urban, signalized intersection are used to illustrate methods of deriving time gap acceptance behaviors. The extracted information can serve as the basis for selecting gap acceptance thresholds in warning criteria, and the demonstrated methodology can be applied in the development of intersection collision warning systems.
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- Summary URL:
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Availability:
- Find a library where document is available. Order URL: http://www.trb.org/Main/Public/Blurbs/156440.aspx
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Authors:
- Chan, Ching-Yao
- Ragland, David R
- Shladover, Steven E
- Misener, James A
- Marco, David
- Publication Date: 2005
Language
- English
Media Info
- Media Type: Print
- Features: Figures; References; Tables;
- Pagination: pp 10-19
- Monograph Title: Intelligent Transportation Systems and Vehicle-Highway Automation 2005
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Serial:
- Transportation Research Record: Journal of the Transportation Research Board
- Issue Number: 1910
- Publisher: Transportation Research Board
- ISSN: 0361-1981
Subject/Index Terms
- TRT Terms: Behavior; Data collection; Gap acceptance; Left turns; Signalized intersections
- Uncontrolled Terms: Collision warning systems; Time gaps
- Subject Areas: Highways; Operations and Traffic Management; I73: Traffic Control;
Filing Info
- Accession Number: 01006671
- Record Type: Publication
- ISBN: 030909383X
- Files: TRIS, TRB, ATRI
- Created Date: Oct 26 2005 10:30AM