Study Details

Study Title: Right Turns Followed by U-Turns Versus Direct Left Turns: A Comparison of Safety Issues

Authors: Xu

Publication Date: 2001

Abstract:

Study Citation: Xu, L., "Right Turns Followed by U-Turns Versus Direct Left Turns: A Comparison of Safety Issues." ITE Journal, Vol. 71, No. 11, Washington, D.C., Institute of Transportation Engineers, (2001) pp. 36-43.


CMFs Associated With This Study

Category: Access management

Countermeasure: Replace direct left-turn with right-turn/U-turn

CMF CRF(%)QualityCrash TypeCrash SeverityRoadway TypeArea Type
0.8[B]203 StarsAllAllPrincipal Arterial OtherNot Specified
0.89[I]113 StarsAllOPrincipal Arterial OtherNot Specified
0.64[I]363 StarsAllK,A,B,CPrincipal Arterial OtherNot Specified
0.84[I]163 StarsRear endAllPrincipal Arterial OtherNot Specified
1.21-212 StarsSideswipeAllPrincipal Arterial OtherNot specified
0.64[I]363 StarsAngleAllPrincipal Arterial OtherNot Specified
0.49[I]512 StarsAllAllPrincipal Arterial OtherNot Specified
0.56442 StarsAllOPrincipal Arterial OtherNot specified
0.38622 StarsAllK,A,B,CPrincipal Arterial OtherNot specified
0.86[I]143 StarsAllAllPrincipal Arterial OtherNot Specified
0.95[I*]52 StarsAllOPrincipal Arterial OtherNot Specified
0.69[I]313 StarsAllK,A,B,CPrincipal Arterial OtherNot Specified
0.91[I*]92 StarsRear endAllPrincipal Arterial OtherNot Specified
1.33-332 StarsSideswipeAllPrincipal Arterial OtherNot specified
0.67[I]333 StarsAngleAllPrincipal Arterial OtherNot Specified
0.89111 StarAllAllPrincipal Arterial OtherNot specified
0.9731 StarAllOPrincipal Arterial OtherNot specified
0.73271 StarAllK,A,B,CPrincipal Arterial OtherNot specified