Safety Performance Function Decision Guide: SPF Calibration vs SPF Development

This guidebook is intended to provide guidance on whether an agency should calibrate the safety performance functions (SPFs) from the Highway Safety Manual (HSM) (AASHTO, 2010) or develop jurisdiction-specific SPFs. The guidebook discusses the factors that need to be considered while making the decision.It is intended to be of use to practitioners at state and local agencies and to researchers.

Language

  • English

Media Info

  • Media Type: Web
  • Edition: Final Report
  • Features: Appendices; References; Tables;
  • Pagination: 31p

Subject/Index Terms

Filing Info

  • Accession Number: 01743012
  • Record Type: Publication
  • Report/Paper Numbers: FHWA-SA-14-004
  • Contract Numbers: TPF-5(255)
  • Files: NTL, TRIS, ATRI, USDOT
  • Created Date: Jun 5 2020 12:59PM