Speed–Safety Analyses Using Linked National Performance Management Research Data Set (NPMRDS) and SHRP2 Roadway Information Database (RID) Data

The case study documented in this report involves linking the second Strategic Highway Research Program (SHRP2) Roadway Information Database (RID) with the National Performance Management Research Data Set (NPMRDS) and then using the linked data to examine speed and speed–safety relationships. This report includes the following information: An overview of the SHRP2 safety data; An overview of the RID and the NPMRDS; The methodology developed to link the RID with the NPMRDS; Additional data preparation required to conduct analyses using the linked data; A summary of the analyses conducted; A description of the value of the results related to highway safety; and Proposed future research directions.

  • Record URL:
  • Corporate Authors:

    Genex Systems, LLC

    11848 Rock Landing Drive, Suite 303
    Newport News, VA  United States  23606

    Cambridge Systematics, Incorporated

    101 Station Landing, Suite 410
    Medford, MA  United States  02155

    Iowa State University, Ames

    Center for Transportation Research and Education
    2711 South Loop Drive, Suite 4700
    Ames, IA  United States  50010-8664

    Federal Highway Administration

    Office of Safety Research and Development
    6300 Georgetown Pike
    McLean, VA  United States  22101-2296
  • Authors:
    • Dimaiuta, Michael
    • Banihashemi, Mohamad
    • Spear, Bruce
    • Hull, Robert
    • Beer, Pamela
    • Smadi, Omar
    • ORCID 0000-0002-3147-9232
    • Hans, Zach
  • Publication Date: 2018-11


  • English

Media Info

  • Media Type: Digital/other
  • Edition: Research Report
  • Features: Appendices; Figures; References; Tables;
  • Pagination: 108p

Subject/Index Terms

Filing Info

  • Accession Number: 01689724
  • Record Type: Publication
  • Report/Paper Numbers: FHWA-HRT-18-046
  • Contract Numbers: DTFH61-14-D00043, Task Order T-5010
  • Files: TRIS, ATRI, USDOT
  • Created Date: Dec 26 2018 6:21PM