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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
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Publication Number: FHWA-HRT-08-019
Date: November 2007
Development of a Driver Vehicle Module (DVM) for the Interactive Highway Safety Design Model (IHSDM)
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APPENDIX A - DRIVER/VEHICLE CONFIGURATION PARAMETERS
"Nominal" approximates the average response characteristics of the test drivers.
"Aggressive" approximates the 85th percentile driver.
Not cutting the curve means the driver attempts to maintain lane center in horizontal curves.
Cutting the curve means the driver tracks to the inside of horizontal curves.
 Note: Lateral acceleration indicates acceleration in the plane of the earth, whereas Friction Ratio Y indicates acceleration in the plane of the road. Therefore, lateral acceleration and friction ratio may differ substantially when the road is superelevated.
Topics: research, safety, design, local & rural roads program, data and analysis tools
Keywords: research, safety, Driver/Vehicle Module, IHSDM, Driver Performance Model
TRT Terms: Automobile drivers--Performance--Safety measures, Roads--Design and construction--Safety measures, Traffic safety--Analysis, Geometric design