Study Details
Study Title: Guidelines for the Use of No U-Turn and No-Left Turn Signs
Authors: Brich and Cottrell
Publication Date: 1994
Abstract:
Study Citation: Brich, S. C. and Cottrell Jr, B. H., "Guidelines for the Use of No U-Turn and No-Left Turn Signs." VTRC 95-R5, Richmond, Virginia Department of Transportation, (1994)
CMFs Associated With This Study
Category: Intersection traffic control
Countermeasure: Prohibit left-turns and U-turns with "No Left Turn" and "No U-Turn" signs
CMF | CRF(%) | Quality | Crash Type | Crash Severity | Roadway Type | Area Type |
---|---|---|---|---|---|---|
0.23[I] | 77 | Left turn,Other | All | Minor Arterial | Urban and Suburban |
0.28[I] | 72 | All | All | Minor Arterial | Urban and Suburban |
Countermeasure: Prohibit left-turns with "No Left Turn" sign
CMF | CRF(%) | Quality | Crash Type | Crash Severity | Roadway Type | Area Type |
---|---|---|---|---|---|---|
0.36[I] | 64 | Left turn | All | Minor Arterial | Urban and Suburban |
0.32[B] | 68 | All | All | Minor Arterial | Urban and Suburban |