Guide for Quantitative Approaches to Systemic Safety Analysis

Traditional approaches to safety have focused on identifying high crash locations and constructing projects to address predominant concerns at these locations. The systemic approach to safety is a method of safety management that typically involves lower unit cost safety improvements that are widely implemented based on high-risk factors. There is considerable interest from practitioners for quantitative approaches to systemic safety analysis. However, there is limited knowledge about the methods and tools available to agencies seeking to implement quantitative approaches to systemic safety analysis to make data-driven decisions. The systemic approach was not included in the first edition of the Highway Safety Manual (HSM). Therefore, to be consistent with methods that are capable of adequately considering safety performance and risk factors (e.g., crash frequency and exposure), there is a need for guidance and recommendations to integrate quantitative systemic safety analysis methods and tools into existing safety management processes. The objectives of this research are to develop a guide and training materials to assist state DOTs, MPOs, local agencies, and other safety practitioners to better understand, use, and implement quantitative approaches to systemic safety analysis. The research results may be incorporated in a future edition of the AASHTO Highway Safety Manual.

• Record URL:
  http://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=4053
• Supplemental Notes:
  • The final report is expected spring 2020 with publication later in 2020.

Language

• English

Project

• Status: Active
• Funding: $300000
• Contract Numbers:

  Project 17-77

• Sponsor Organizations:

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590

  American Association of State Highway & Transportation Officials (AASHTO)

  444 North Capitol Street, NW, Suite 225
  Washington, DC  United States  20001

  National Cooperative Highway Research Program

  Transportation Research Board
  500 Fifth Street, NW
  Washington, DC  United States  20001
• Project Managers:

  Schwager, Dianne

• Performing Organizations:

  MRIGlobal

  425 Volker Boulevard
  Kansas City, MO  United States  64110-2241
• Principal Investigators:

  Torbic, Darren

• Start Date: 20160805
• Expected Completion Date: 20200228
• Actual Completion Date: 0
• Source Data: RiP Project 40217

Subject/Index Terms

• TRT Terms: Decision making; Guidelines; Highway safety; Quantitative analysis; Safety management; State of the art
• Identifier Terms: Highway Safety Manual
• Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors;

Filing Info

• Accession Number: 01572383
• Record Type: Research project
• Source Agency: Transportation Research Board
• Contract Numbers: Project 17-77
• Files: TRB, RiP
• Created Date: Aug 7 2015 1:01AM