ACS20(2): User Liaison Subcommittee

The User Liaison subcommittee coordinates the activities of the Safety Performance and Analysis Committee related to the implementation (in terms of understanding and application) of the HSM and other future quantitative analysis methods and procedures approved by the Committee, gathering and disseminating of user feedback, and encouraging policy change to support the institutionalization of safety procedures. The Subcommittee will coordinate our efforts with other subcommittees, with the ACS20 Communication Coordinator, with other TRB Committees, with HSM users, and with the international safety research community. The scope of the User Liaison subcommittee includes:

  • Facilitate understanding and application of HSM procedures and other quantitative analysis methods.
  • Facilitate training (existing workforce); education (future workforce); technical support; to promote the use / adoption of quantitative safety information practices and procedures; to encourage modification of policies and guidance documents to reflect quantitative highway safety information.
  • Gather User Feedback (a)To identify user needs; (b) To translate needs into research priorities; tools/software; technical facilitation products, and (c) To establish a link and a review/response process with AASHTO and our Committee for external generated HSM2 errata.

Read more about the history, mission, scope, and structure of the User Liaison Subcommittee here: PDF.

Current Working Groups

  • Permanent Working Groups:
    • Policy and Legal Aspects
    • International Safety Research
  • Temporary Working Groups:
    • TRB 2022 Workshop
    • HSM Website
    • HSM Part C Tools
    • HSM FAQs
    • HSM User Discussion Forum
    • HSM Part C Informational Guide
    • Practical Application of the HSM
    • Road Safety Training for Local Agencies

Meeting Notes and Slides

2024

  • 2024 Annual Meeting

2023

  • 2023 Annual Meeting

2022

  • August 16, 2022: Subcommittee meeting slides (PDF)
  • August 18, 2022: Main committee report out (PDF)

2021