A Method for Determining Variable Message Sign (VMS) Locations for Safe Exiting at Freeway Off-Ramp based on Driving Simulation Experiments
Variable message sign (VMS) technology provides drivers with real-time traffic information about incidents, congestion, and detours, and it is one of the major components of advanced traffic information systems (ATIS). The placement of a VMS can greatly influence its effectiveness, making sign location choice a problem of particular interest. The objective of this study was to develop a methodology for determining an appropriate spacing between VMS and off-ramps on freeways to allow safe driving maneuvers. The authors used a driving simulator to evaluate how drivers exit at an off-ramp when presented with route detour information from various VMS locations. They then applied binary logistic regression and factor analysis to develop a statistical model that predicts the safety of these maneuvers. Using this model, the authors suggest a method to estimate the appropriate spacing between VMS and off-ramps. The results of this study will be useful to ITS planners and designers in determining optimal VMS placement.
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Supplemental Notes:
- This paper was sponsored by TRB committee AND20 User Information Systems
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Corporate Authors:
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Authors:
- Oh, Cheol
- Kim, Taehyung
- Lee, Jaejoon
- Choi, Saerona
- Joo, Shinhye
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Conference:
- Transportation Research Board 91st Annual Meeting
- Location: Washington DC, United States
- Date: 2012-1-22 to 2012-1-26
- Date: 2012
Language
- English
Media Info
- Media Type: Digital/other
- Features: Figures; References; Tables;
- Pagination: 15p
- Monograph Title: TRB 91st Annual Meeting Compendium of Papers DVD
Subject/Index Terms
- TRT Terms: Driving simulators; Highway safety; Location; Logistic regression analysis; Off ramps; Spacing; Variable message signs
- Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors; I85: Safety Devices used in Transport Infrastructure;
Filing Info
- Accession Number: 01371348
- Record Type: Publication
- Report/Paper Numbers: 12-0374
- Files: TRIS, TRB
- Created Date: May 30 2012 3:01PM