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(%) | Quality | Crash Type | Crash Severity | Roadway Type | Area Type |
|---|
| 0.8[B] | 20 |  | All | All | Principal Arterial Other | Not Specified |
| 0.89[I] | 11 | | All | O | Principal Arterial Other | Not Specified |
| 0.64[I] | 36 | | All | K,A,B,C | Principal Arterial Other | Not Specified |
| 0.84[I] | 16 | | Rear end | All | Principal Arterial Other | Not Specified |
| 1.21 | -21 |  | Sideswipe | All | Principal Arterial Other | Not specified |
| 0.64[I] | 36 | | Angle | All | Principal Arterial Other | Not Specified |
| 0.49[I] | 51 | | All | All | Principal Arterial Other | Not Specified |
| 0.56 | 44 | | All | O | Principal Arterial Other | Not specified |
| 0.38 | 62 | | All | K,A,B,C | Principal Arterial Other | Not specified |
| 0.86[I] | 14 | | All | All | Principal Arterial Other | Not Specified |
| 0.95[I*] | 5 | | All | O | Principal Arterial Other | Not Specified |
| 0.69[I] | 31 | | All | K,A,B,C | Principal Arterial Other | Not Specified |
| 0.91[I*] | 9 | | Rear end | All | Principal Arterial Other | Not Specified |
| 1.33 | -33 | | Sideswipe | All | Principal Arterial Other | Not specified |
| 0.67[I] | 33 | | Angle | All | Principal Arterial Other | Not Specified |
| 0.89 | 11 |  | All | All | Principal Arterial Other | Not specified |
| 0.97 | 3 | | All | O | Principal Arterial Other | Not specified |
| 0.73 | 27 | | All | K,A,B,C | Principal Arterial Other | Not specified |
