Prior to 1976, federal highway funds could only be used for the construction of new highways or the reconstruction of existing highways. The Federal-Aid Highway Act of 1976 allowed the use of federal aid for resurfacing, restoration, and rehabilitation (3R) projects on federal-aid highways. However, in 1976 there were no standards for 3R improvements.
The TRB National Cooperative Highway Research Program's NCHRP Research Report 876: Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation (3R) Projects presents a rational approach for estimating the cost-effectiveness of including safety and operational improvements in a resurfacing, restoration, or rehabilitation (3R) project.
The approach uses the performance of the existing road in estimating the benefits and cost-effectiveness of proposed design improvements. These guidelines are intended to replace TRB Special Report 214: Designing Safer Roads: Practices for Resurfacing, Restoration, and Rehabilitation.
Supplemental materials include NCHRP Web-Only Document 244: Developing Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation (3R) Projects. Two spreadsheet tools for benefit–cost analysis in support of design decisions for 3R projects also accompany the report. Spreadsheet Tool 1 is a tool for analysis of a single design alternative or combination of alternatives. Spreadsheet Tool 2 is a tool for comparison of several design alternatives or combinations of alternatives.
Table of Contents
|Chapter 1 - Introduction||5-7|
|Chapter 2 - What Are 3R Projects?||8-10|
|Chapter 3 - Process for 3R Project Development||11-18|
|Chapter 4 - Managing a 3R Program to Reduce Crash Frequency and Severity||19-45|
|Chapter 5 - Application of Benefit Cost Analysis for 3R Projects||46-97|
|Chapter 6 - 3R Project Design Guidelines for Specific Roadway Types||98-124|
|Chapter 7 - Summary of 3R Design Guidelines||125-127|
|Acronyms and Abbreviations||128-128|
|Appendix A - User s Guide for Spreadsheet Tool 1||131-178|
|Appendix B - User s Guide for Spreadsheet Tool 2||179-223|
|Appendix C - Updated Crash Cost Estimates||224-228|
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