Study Details

Study Title: The Influence of Driver Sight Distance on Crash rates and Driver Speed at Modern roundabouts in the United States

Authors: Angelastro

Publication Date:JUL, 2010

Abstract: This paper investigates the driver sight distance as an independent variable to predict passenger vehicle speeds and vehicle crash rates at roundabouts in The United States based on data collected at 26 single-lane roundabouts.

Study Citation: Angelastro , M., "The Influence of Driver Sight Distance on Crash rates and Driver Speed at Modern roundabouts in the United States." ITE Journal, Vol. 80, No. 7, Washington, D.C., (2010) pp. 28-39.


CMFs Associated With This Study

Category: Intersection geometry

Countermeasure: Change roundabout circulating sight distance from X to Y

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
CMF EquationCRF Equation2 StarsRear endAllNot SpecifiedNot specified
CMF EquationCRF Equation2 StarsAllAllNot SpecifiedNot specified

Countermeasure: Change roundabout intersection sight distance from X to Y

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
CMF EquationCRF Equation2 StarsRun off roadAllNot Specified