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Accident Modification Factors for Traffic Engineering and ITS Improvements (2008)

Chapter: Abbreviations used without definitions in TRB publications

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Suggested Citation:"Abbreviations used without definitions in TRB publications." National Academies of Sciences, Engineering, and Medicine. 2008. Accident Modification Factors for Traffic Engineering and ITS Improvements. Washington, DC: The National Academies Press. doi: 10.17226/13899.
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Page 75

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Abbreviations and acronyms used without definitions in TRB publications: AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACI–NA Airports Council International–North America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA Air Transport Association ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TEA-21 Transportation Equity Act for the 21st Century (1998) TRB Transportation Research Board TSA Transportation Security Administration U.S.DOT United States Department of Transportation

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TRB's National Cooperative Highway Research Program (NCHRP) Report 617: Accident Modification Factors for Traffic Engineering and ITS Improvements explores the development of accident modification factors (AMFs) for traffic engineering and intelligent transportation system improvements. AMFs, also known as crash reduction factors, are designed to provide a simple and quick way of estimating the safety impacts of various types of engineering improvements, encompassing the areas of signing, alignment, channelization, and other traffic engineering solutions.

The following appendices to NCHRP Report 617 are available online:

* Appendix A: Methodology for Determining Crash-Harm Rating for Treatments

* Appendix B: Effects of Converting Rural Intersections from Stop to Signal Control

* Appendix C: Safety Effects of Four-Lane to Three-Lane Conversions

* Appendix D: Safety Effects of Improving Pavement Skid Resistance

* Appendix E: Evaluation of the Safety Effectiveness of Urban Signal Treatments

* Appendix F: An Empirical Examination of the Relationship Between Speed and Road Accidents

* Appendix G: Accident Modification Factors for Median Width

Two AMF treatment summaries that appear in the printed version of NCHRP Report 617 contain incorrect information. These treatments are "Add Intersection Lighting" and "Add Roadway Segment Lighting." The information in these two AMF treatment summaries has been corrected in the online version of the report.

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