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(%) Quality Crash Type Crash Severity Roadway Type Area Type
CMF Equation CRF Equation 2 Stars Rear end All Not Specified Not specified
CMF Equation CRF Equation 2 Stars All All Not Specified Not specified

Countermeasure: Change roundabout intersection sight distance from X to Y

CMF CRF(%) Quality Crash Type Crash Severity Roadway Type Area Type
CMF Equation CRF Equation 2 Stars Run off road All Not Specified