Advancing Innovative Intersection Safety Treatments for Two-Lane Rural Highways: Executive Summary

Torbic, Darren J.; Cook, Daniel J.; Hutton, Jessica M.; Bauer, Karin M.; Sitzmann, J. M.; United States. Federal Highway Administration. Office of Safety

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Advancing Innovative Intersection Safety Treatments for Two-Lane Rural Highways: Executive Summary

2015-12-01
By Torbic, Darren J. ; Cook, Daniel J. ; Hutton, Jessica M. ; ...

[PDF-2.64 MB]

English

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Creators:

Torbic, Darren J. ; Cook, Daniel J. ; Hutton, Jessica M. ; Bauer, Karin M. ; Sitzmann, J. M.

Torbic, Darren J. ; Cook, Daniel J. ; Hutton, Jessica M. ; Bauer, Karin M. ; Sitzmann, J. M. Less -
Corporate Creators:

United States. Federal Highway Administration. Office of Safety
Contributors:

Shaw, Jeffrey
Corporate Contributors:

MRIGlobal (Firm)
Subject/TRT Terms:

[+]

Highway Safety Intersections Rumble Strips Rural Highways Two Lane Highways
Publication/ Report Number:

FHWA-SA-16-020
Resource Type:

Tech Report
Geographical Coverage:

United States
Contracting Officer:

Shaw, Jeffrey
Corporate Publisher:

United States. Federal Highway Administration. Office of Safety
Abstract:

Intersection safety is a national, state, and local priority. Approximately 26 percent of the fatal crashes that occur in the United States are intersection or intersection-related crashes. The objective of this guide is to advance efforts to improve safety at unsignalized intersections with minor-road stop control along rural two-lane roads, by focusing on strategies that are not yet widespread. The safety effectiveness of three low-cost safety treatments was evaluated to estimate their expected effectiveness in reducing crashes. The low-cost safety treatments included: (1) single luminaire intersection lighting, (2) transverse rumble strips in advance of stop-controlled approaches, and (3) supplementary pavement markings on intersection approaches. The effectiveness of each treatment in reducing crashes was estimated using the Empirical Bayes (EB) observational before-after safety evaluation analysis approach. Analyses were performed to estimate the effectiveness of each treatment in reducing crashes for different severity levels and crash types. An economic analysis of the treatments was also performed. Each of the treatments is effective in reducing crashes of different types and severity levels, and is economically justifiable for most traffic volumes. The information in this report can be combined with information on other strategies to reduce intersection or intersection-related crashes at unsignalized intersections with minor-road stop control along rural two-lane roads. With such information, agencies can make informed decisions about planning and programming safety improvements at intersections under their jurisdiction.
Format:

PDF
Funding:

DTFH61-12-C-00023
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:f9be73ae4d3bf97167d87e1f14b544e603ccffa9ff3edd10d2b250b5b145eb9e
Download URL:

https://rosap.ntl.bts.gov/view/dot/50429/dot_50429_DS1.pdf
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Advancing Innovative Intersection Safety Treatments for Two-Lane Rural Highways: Executive Summary

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