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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

 
REPORT
This report is an archived publication and may contain dated technical, contact, and link information
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Publication Number:  FHWA-HRT-17-069    Date:  December 2017
Publication Number: FHWA-HRT-17-069
Date: December 2017

 

Safety Evaluation of Edge-Line Rumble Stripes on Rural Two-Lane Horizontal Curves

Chapter 2. Objective

The research described in this report examined the safety impacts of ELRSs on rural horizontal curves in Kentucky and Ohio with the objective to estimate the safety effectiveness of this strategy as measured by crash frequency. Excluding intersection-related and animal crashes, the study included the following crash types:

A further objective was to address questions of interest including the following:

Other questions included the following:

The evaluation of overall effectiveness included the consideration of the installation costs and crash savings in terms of the B/C ratio.

Meeting these objectives placed some special requirements on the data collection and analysis tasks, including the need to do the following:

 

 

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