Meetings

2024 Midyear Meeting

2024 Annual Meeting

Committee meetings:

  • Safety Performance and Analysis Committee: Wednesday, January 10 1:30 PM- 5:30 PM ET, Agenda (PDF), Slides (PDF), details.
  • Safety Performance and Analysis Committee: Thursday, January 11 9:00 AM- 12:00 PM ET, Agenda (PDF), Slides (PDF), details.

Subcommittee meetings:

For materials provided or slides for these meetings, please select the subcommittee from the About tab (Subcommittees): the information is posted on each subcommittee page.

  • Safety Analytical Methods Subcommittee, ACS20(1): Tuesday, January 09 10:15 AM- 12:00 PM ET; details.
  • Safety Performance and Analysis User Liaison Subcommittee, ACS20(2); Wednesday, January 10 11:15 AM- 1:15 PM ET, details.
  • Surrogate Safety Measures Subcommittee, ACS20(3); Tuesday, January 09 1:30 PM- 3:15 PM ET, details.
  • Pedestrian and Bicycle Safety Analysis, ACS20(4), Joint Subcommittee of ACS20, ACH10, ACH20; Tuesday, January 09 3:45 PM- 5:30 PM ET, details.
  • Rural Road Safety Policy, Programming, and Implementation, ACS10(4), Joint Subcommittee of ACS10, ACS20, AKD30, Monday, January 08 3:45 PM- 5:30 PM ET; details.

Committee Sponsored Activities:

Workshop:

  • Workshop 1024: Pavement Friction Management, Continuous Pavement Friction Measurement, and Safety Analysis; Sunday, January 07 9:00 AM- 12:00 PM ET, details
  • Workshop 5006: Mitigating the Implications of Increasing Vehicle Size and Mass on Pedestrian and Bicyclist Safety, Thursday, January 11 9:00 AM- 12:00 PM ET, details.

Lectern Sessions:

  • Lectern Session 2124: Doctoral Student Research in Transportation Safety: A Lectern-Poster Session; details.
  • Lectern Session 3066: Safety in a Changing Rural Landscape; Tuesday, January 09 10:15 AM- 12:00 PM ET, details.
  • Lectern Session 4003: Safety Performance and Analysis Research; details.

2023 Midyear Meeting

Update on Second Edition of AASHTO Highway Safety Manual and Related NCHRP Research

  • NCHRP 17-71A, Proposed AASHTO Highway Safety Manual (HSM) Second Edition, Stephen Read and Darren Torbic (PDF)
  • NCHRP 20-123(17), Highway Safety Manual Development and Roadmap, Karen Dixon (PDF)

Reports on Safety Related NCHRP Research

  • NCHRP 07-29, Development of the 8th Edition of AASHTO’s A Policy on the Geometric Design of Highways and Streets, Ingrid Potts  (PDF)
  • NCHRP 22-45, Informing the Selection of Countermeasures by Evaluating, Analyzing, and Diagnosing Contributing Factors that Lead to Crashes, Ingrid Potts (PDF)
  • NCHRP 17-104, Enhancement of Roadside Design Safety Prediction Models for the Highway Safety Manual, Raghavan Srinivasan (PDF)
  • NCHRP 03-139, Next Generation of the USLIMITS2 Speed Limit Setting Expert System, Raghavan Srinivasan (PDF)
  • NCHRP 17-86, Estimating Effectiveness of Safety Treatments in the Absence of Crash Data, Kristin Kersavage (PDF)
  • Moving forward with Non-Traditional Safety data, Kim Kolody, Darren Torbic, Kerry Wilcox (PDF)
  • NCHRP 17-97, Strategies to Improve Pedestrian Safety at Night, Rebecca Sanders (PDF)
  • NCHRP Report 1030, Safety at Midblock Pedestrian Signals, Kay Fitzpatrick (PDF)
  • Tech Brief, Karen Dixon
  • RFI, Matt Hinshaw (PDF)

State Research Presentations

  • Arizona, Kerry Wilcox (PDF)
  • Oregon Cost Effectiveness Index (CEI) (ODOT Highway Safety), Jiguang Zhao (PDF)
  • Florida Sliding Window Analysis Parameters (Website), Dibakar Saha (PDF)
  • Calibrating the Highway Safety Manual Predictive Methods for Texas Highways, (Report) Karen Dixon (PDF)
  • AASHTOWare Safety powered by Numetric State Support, Danny Anderson (PDF)
Subcommittee Meetings
  • Research Workshop (PDF)
  • User Liaison Subcommittee Meeting – Meeting Slides (PDF)
  • Safety Analytical Methods Subcommittee Meeting – Meeting Slides (PDF)

Organizational Updates

  • USDOT/FHWA Report, Matt Hinshaw (PDF)
  • AASHTO Report, Stephen Read (PDF)

2023 Annual Meeting

Committee meetings:

  • Wednesday, January 11 1:30 PM- 5:30 PM ET – agenda, meeting slides (PDF)
  • Thursday, January 12 9:00 AM- 12:00 PM ET – agenda, see details, meeting slides (PDF)

Subcommittee meetings:

For materials provided or slides for these meetings, please select the subcommittee from the About tab: the information is posted on each subcommittee page.

  • Safety Analytical Methods Subcommittee, ACS20(1)
  • Rural Road Safety Policy, Programming, and Implementation, ACS10(4)
    • Monday, January 09 3:45 PM- 5:30 PM ET, Joint Subcommittee of ACS10, ACS20, AKD30. See details.
  • Surrogate Safety Measures Subcommittee, ACS20(3)
  • Pedestrian and Bicycle Safety Analysis, ACS20(4)
    • Tuesday, January 10 1:30 PM- 3:15 PM ET, Joint Subcommittee of ACS20, ACH10, ACH20. See details, agenda,
  • User Liaison Subcommittee, ACS20(2)

Committee Sponsored Activities:

  • Workshop:
    • Sunday, January 08 1:30 PM- 4:30 PM ET, Workshop 1042: Applying the Safe System Approach to Overcome Challenges
  • Lectern Session
    • Monday, January 09 1:30 PM- 3:15 PM ET, Lectern 2117: Doctoral Student Research in Transportation Safety: A Lectern-Poster Session
    • Monday, January 09 6:00 PM- 7:30 PM ET, Lectern 2220: Infrastructure-Related Connected and Automated Safety Performance
  • Poster Sessions
    • Monday, January 09 8:00 AM- 9:45 AM ET
      • What Can I Learn by Studying Vehicle Conflicts? See details
      • Safety Implications of Risky Driver Behavior. See details
      • Infrastructure-Related Safety Effects for Connected and Automated Vehicles. See Details
      • Advances in Highway Safety Design. See details
    • Monday, January 09 10:15 AM- 12:00 PM ET
      • Safety Effects of Roadway Characteristics and Treatments. See details
    • Tuesday, January 10 3:45 PM- 5:30 PM ET
      • The Best of the Best Performance Effects of Geometric Design Paper Submissions. See details
      • Safety Impacts of Road Users Including Pedestrians, Bicyclists, and Others. See details
    • Tuesday, January 10 6:00 PM- 7:30 PM ET
      • Safety Models: New, Evolving, and Refreshed. See details
      • A Fresh Look at Crash Characteristics. See details

2022 Midyear Meeting

  • Agenda: PDF
  • NCHRP Project Presentations (bundle covering Day 1 through 3): PDF
  • Committee Business meeting (8/18/2022):
    • Research report out: PDF
    • User Liaison report out: PDF
    • NCHRP report: PDF
    • FHWA report: PDF

2022 Annual Meeting

The TRB Standing Committee on Safety Performance and Analysis is holding meetings and hosting a workshop during the TRB Annual Meeting in Washington, D.C. Here are the events in chronological order:

  • Committee Meeting, Monday, January 10,1:30 PM-5:30 PM ET – detail, agenda, meeting slides.
  • Workshop:
    • Sunday, January 09, 9:00 AM-12:00 PM ET, Workshop 1003: Making Safe Systems a Reality: Planning to Implementation
  • Poster Sessions
    • Monday, January 10, 8:00 AM-9:30 AM ET, Poster Session 1056: Safety of Motorcyclists and Active Transportation Modes
    • Tuesday, January 11, 10:30 AM-12:00 PM ET, Poster Session 1268: TRB Minority Student Fellows Research Presentations
    • Tuesday, January 11, 1:30 PM-3:00 PM ET, Poster Session 1304: Safety Performance and Strategies
    • Tuesday, January 11, 4:00 PM-5:30 PM ET, Poster Session 1340: Advancing New Methods and Data
  • Lectern Session
    • Tuesday, January 11, 10:30 AM-12:00 PM ET, Lectern Session 1246: Doctoral Student Research in Transportation Safety
  • Subcommittee Meetings
    • Monday, January 10,10:30 AM-12:00 PM ET, Safety Analytical Methods Subcommittee, ACS20(1) – detail, agenda.
    • Tuesday, January 11, 8:00 AM-9:30 AM ET, User Liaison Subcommittee, ACS20(2) – detail, agenda.
    • Tuesday, January 11, 6:00 PM-7:30 PM ET, Pedestrian and Bicycle Safety Analysis, ACS20(4) – detail
    • Tuesday, January 11, 6:00 PM-7:30 PM ET, Rural Road Safety Policy, Programming, and Implementation, ACS10(4), Joint Subcommittee of ACS10, ACS20, AKD30 – detail.
    • Wednesday, January 12, 8:00 AM-9:30 AM ET, Surrogate Safety Measures Subcommittee, ACS20(3) – detail

2021 Midyear Meeting

The committee held its midyear meeting this year remotely on Friday July 30th and Monday August 2nd. The program with meeting materials is provided below – the detailed agenda is available in PDF (download).

MEETING SCHEDULE

Friday, July 30, 2021 from 10:00 AM to 12:00 PM EST

  • Introductions (Committee Chairs any other notables)
  • AASHTO Process – Stephen Read (PDF)
  • Update on NCHRP 17-71A, Proposed AASHTO Highway Safety Manual (HSM) Second Edition, Darren Torbic (PDF Presentation, PDF Handout)
  • Update on NCHRP 17-84, Pedestrian and Bicycle Safety Performance Functions for the HSM , Darren Torbic (PDF)

Friday, July 30, 2021 from 1:00 PM to 3:00 PM EST

  • Welcome or Welcome Back!
  • Update on NCHRP 7-29, Development of the 8th Edition of AASHTO’s A Policy on the Geometric Design of Highways and Streets (Green Book), Ingrid Potts and Karen Dixon (PDF)
  • Update on User Liaison Activities, Geni Bahar and Mike Dimaiuta (PDF)
  • Safe Systems in the U.S., John Milton (PDF)
  • Update 2022 TRB Annual Meeting Workshop Application: Making Safe System A Reality, Kim Kolody (PDF)

Monday, August 2, 2021 from 10:00 AM to 12:00 PM EST

  • Call to Order
  • Welcome or Welcome Back!
  • Recap of Friday’s Meetings
  • Breakout
  • Approval of Previous Meeting Minutes
  • TRB and Section Update, Bernardo Kleiner and John Milton
  • USDOT Updates
  • AASHTO Update
  • State of the Committee and a Look Forward
    • Rotation in Spring 2022
    • Mentor Program
    • Planning for 2022 Annual Meeting
    • 2022 Annual Meeting Workshop, Kim Kolody
    • 2022 Mid-Year Meeting
  • Paper Reviews
  • Research Process Update, Doug Harwood (PDF)
  • Subcommittee Reports
  • Related PIARC Activities, John Milton
  • Other News
    • Upcoming Events
    • Reports from other Committees
    • Open Floor

Monday, August 2, 2021 from 1:00 PM to 3:00 PM EST

  • Looking to the Future – The Role of This Committee with Connected and Autonomous Vehicles (CV/AV) (PDF)
    • Current or other TRB Committee Structures that Address CV/AV
    • Potential Subcommittee Structure: goal and purpose
    • Leadership and membership
    • Next steps to subcommittee development

Annual Meeting 2021

The new TRB ACS20 committee and subcommittees are meeting at the annual meeting in 2021, and we are hosting various sessions. Note that you have to register to attend and that Zoom meeting details become available 48 hours before the meeting at the TRB Annual Meeting Online Program website. You can also view lists of participants in lectern and poster sessions with this website.

Meetings: 

Sessions:

  • Workshop 1027 – Safety Performance Decision Making: Advancing Research Through Implementation – Friday, January 22, 10:00 AM-01:00 PM ET – Agenda
  • Workshop 1033 – Breaking Down Silos to Embrace Life in a Multimodal Performance Based Solution, Friday, January 22, 10:00 AM-1:00 PM ET
  • Workshop 1044 – New Developments in Safety on Low Volume Roads, Friday, January 22, 2:00 PM-5:00 PM ET
  • Lectern Session 1143: Safety Performance and Analysis Doctoral Student Competition – Tuesday, January 26, 10:00 AM-11:30 AM ET
  • Poster Session 1169: Safety Performance and Analysis: Act 1: Pedestrians, Bicyclists, E-bikes, and Couriers, Tuesday, January 26, 11:30 AM-01:00 PM ET
  • Poster Session 1202: Safety Performance and Analysis Act 2: Surrogates, Conflicts, and Other Safety Data, Tuesday, January 26, 01:00 PM-02:30 PM ET
  • Poster Session 1295: Safety Performance and Analysis Act 3: Evaluations, SPFs, and CMFs, Wednesday, January 27, 01:00 PM-02:30 PM ET
  • Poster Session 1327: Safety Performance and Analysis Act 4: Methods and Models, Wednesday, January 27, 04:00 PM-05:30 PM ET