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FHWA Home / Safety / HSIP / HRRR / Manual for Selecting Safety Improvements on High Risk Rural Roads

Executive Summary

Transportation agencies across the United States use many treatments to improve safety on high risk rural roads (HRRR). This manual provides information and criteria associated with those improvements including the following:

With the large number of safety treatments available, it can be challenging for practitioners to select the most effective treatment to implement with limited funds. This manual is intended to assist an agency in understanding the effectiveness of safety improvements on HRRR to aid in the treatment selection process. Practitioners may use this manual to understand the potential use and applicable deployment locations for each treatment presented. The HRRR Treatment Matrix sorts through treatment selection and deployment criteria to identify potential improvements for a site. The manual includes overviews of safety program management, potential funding sources and funding processes, and provides decision-making tools for selecting appropriate safety treatments for given crash types and roadway characteristics.

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Page last modified on July 31, 2014.
Safe Roads for a Safer Future - Investment in roadway safety saves lives
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000