Safety Evaluation of Turning Movement Restrictions at Stop-Controlled Intersections: [techbrief]

Le, Thanh; Gross, Frank B.; Harmon, Tim; Eccles, Kimberly A.; United States. Federal Highway Administration. Office of Research, Development, and Technology

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Safety Evaluation of Turning Movement Restrictions at Stop-Controlled Intersections: [techbrief]

2017-12-01
By Le, Thanh ; Gross, Frank B. ; Harmon, Tim ; ...

[PDF-140.57 KB]

English

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Details:

Creators:

Le, Thanh ; Gross, Frank B. ; Harmon, Tim ; Eccles, Kimberly A.

Le, Thanh ; Gross, Frank B. ; Harmon, Tim ; Eccles, Kimberly A. Less -
Corporate Creators:

United States. Federal Highway Administration. Office of Research, Development, and Technology
Contributors:

Amjadi, Roya
Corporate Contributors:

Turner-Fairbank Highway Research Center
Subject/TRT Terms:

[+]

Traffic Safety Turning Traffic Unsignalized Intersections
Publication/ Report Number:

FHWA-HRT-17-065 ; HRDS-20/12-17(200)E

FHWA-HRT-17-065 ; HRDS-20/12-17(200)E Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Highway Administration. Office of Research, Development, and Technology
Abstract:

The Federal Highway Administration (FHWA) established the Development of Crash Modification Factors (DCMF) program in 2012 to address highway safety research needs for evaluating new and innovative safety strategies (improvements) by developing reliable quantitative estimates of their effectiveness in reducing crashes. The goal of the DCMF program is to save lives by identifying new safety strategies that effectively reduce crashes and TO promote those strategies for nationwide implementation by providing measures of their safety effectiveness and benefit–cost (B/C) ratios through research. State transportation departments and other transportation agencies need to have objective measures for safety effectiveness and B/C ratios before investing in broad applications of new strategies for safety improvements. Forty State transportation departments provide technical feedback on safety improvements to the DCMF program and implement new safety improvements to facilitate evaluations. These States are members of the Evaluation of Low-Cost Safety Improvements Pooled Fund Study, which functions under the DCMF program.

This study evaluated the safety effects of converting three-legged, full movement intersections to right-in/right-out (RIRO) operations using physical barriers. The intent of this strategy is to reduce the frequency and severity of crashes by eliminating left turns into and out of target intersections, which are the highest severity conflicts at an intersection. Studies have explored various access management techniques and the installation of median barriers at the corridor level. However, no information is available to quantify the safety effects of restricting left turns at specific intersections and the effects of shifting traffic to downstream intersections.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:f70c3d4068e30e87a4f03ab092dc9981f55d5e5f1ef4755e9ee946973922e364
Download URL:

https://rosap.ntl.bts.gov/view/dot/38022/dot_38022_DS1.pdf
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Safety Evaluation of Turning Movement Restrictions at Stop-Controlled Intersections: [techbrief]

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