Safety evaluation of STOP AHEAD pavement markings

Gross, Frank B.; Jagannathan, Ramanujan; Persaud, Bhagwant Naraine, 1947-; Lyon, Craig; Eccles, Kimberly; Lefler, Nancy; Amjadi, Roya; VHB/Vanasse Hangen Brustlin, Inc.; Persaud Lyon, Inc.

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Safety evaluation of STOP AHEAD pavement markings

2008-03-01
By Gross, Frank B. ; Jagannathan, Ramanujan ; Persaud, Bhagwant Naraine, 1947- ; ...

English

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Details:

Creators:

Gross, Frank B. ; Jagannathan, Ramanujan ; Persaud, Bhagwant Naraine, 1947- ; Lyon, Craig ; Eccles, Kimberly ; ... More +

Gross, Frank B. ; Jagannathan, Ramanujan ; Persaud, Bhagwant Naraine, 1947- ; Lyon, Craig ; Eccles, Kimberly ; Lefler, Nancy ; Amjadi, Roya Less -
Corporate Creators:

VHB/Vanasse Hangen Brustlin, Inc. ; Persaud Lyon, Inc.

VHB/Vanasse Hangen Brustlin, Inc. ; Persaud Lyon, Inc. Less -
Corporate Contributors:

United States. Department of Transportation. Federal Highway Administration. Office of Safety
Subject/TRT Terms:

[+]

Highway Planning Road Markings Traffic Safety Unsignalized Intersections
Publication/ Report Number:

FHWA-HRT-08-043
Resource Type:

Tech Report
Contracting Officer:

Amjadi, Roya
Corporate Publisher:

Turner-Fairbank Highway Research Center
Abstract:

The Federal Highway Administration (FHWA) organized a Pooled Fund Study of 26 States to evaluate low-cost safety strategies as part of its strategic highway safety effort. One of the strategies chosen to be evaluated for this study was STOP AHEAD pavement markings. This strategy is intended to reduce the frequency of crashes related to driver unawareness of stop-control at unsignalized intersections. Geometric, traffic, and crash data were obtained at unsignalized intersections for 8 sites in Arkansas, 9 sites in Maryland, and 158 sites in Minnesota. To account for potential selection bias and regression-to-the-mean, an empirical Bayes before-after analysis was conducted to determine the safety effectiveness of installing STOP AHEAD pavement markings. Results of the aggregate analysis indicate a statistically significant reduction in total crashes for Arkansas, Maryland, and the two States combined. The combined aggregate analysis indicates that at least a 15-percent reduction in total crashes can be expected conservatively. There is also a statistically significant reduction in right-angle and rear-end crashes for Arkansas. A reduction in injury crashes is shown for Arkansas and Maryland and is statistically significant at the ten percent level for the two States combined.
Format:

PDF
Funding:

DTFH61-05-D-00024
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha-512:13ebe176bde55719772194b5e1a6887a8f39e93cb584b5b6ad639da91fdacf79e425da7c47c65198904d22e9e590ba8d6b4e23cf62440f991293c3315ca985a1
Download URL:

https://rosap.ntl.bts.gov/view/dot/823/dot_823_DS1.pdf
File Type:

[PDF-1012.39 KB]