TRANSPORTATION RESEARCH BOARD TRB Update to AASHTO Committee

TRANSPORTATION RESEARCH BOARD TRB Update to AASHTO Committee on Traffic Engineering Ray Derr, Project Manager Transportation Research Board National Cooperative Highway Research Program June 16, 2020

TRB Annual Meeting 2021 TRB Annual Meeting will be held in January – Evaluating whether some or all of the meeting may be held virtually – Participant survey through Jun 30 at link below – Changes announced this summer Survey: https: //www. surveymonkey. com/r/TRB 100 AM

Guidance to Improve Pedestrian and Bicyclist Safety at Intersections [NCHRP Report 926] • Presents a process for improving safety Problem identification Data collection Analysis Identify and refine treatments Assess priorities, tradeoffs, and viability – Selection of countermeasures – – –

Evaluation and Synthesis of Vehicle-to-X Technologies [NCHRP 23 -10] • Began in Apr 2020 following Feb 2020 NPRM by the FCC • Available on Project Page – Fact Sheet on NPRM and V 2 X – V 2 X Communications in the 5. 9 GHz Spectrum: March 2020 Update (includes summary of NPRM comments) – Summary of Reply Comments on NPRM • More to Come!

AASHTO Publications • Transportation Operations Manual [NCHRP 03 -126] – New AASHTO Publication to be delivered in 2021 – Content development underway – Neal Boudreau on panel • Aligning Geometric Design with Roadway Context [NCHRP 15 -77] – Reorients Part IV of the Green Book from functional to context class – Completion in 2021 – Kevin Sablan on panel • Development of the 8 th Edition of the Green Book [NCHRP 07 -29] – New Project that will further performance-based design, multimodalism, context sensitivity, and flexibility – Due to broad range of implications, there will be extensive outreach to AASHTO groups

Speed Limits • Pedestrian Safety Relative to Traffic-Speed Management [NCHRP Synthesis 535] – Published in 2019 • Guidance for the Setting of Speed Limits [NCHRP 17 -76] – Publication expected Fall 2020 • Safety Effects of Raising Speed Limits to 75 mph and Higher [NCHRP 17 -79] – Publication expected Fall 2020 • Designing for Target Speed [NCHRP 15 -76] – Contract under negotiation

New Projects • Midblock Pedestrian Signal (MPS) Warrants and Operation [NCHRP 03 -141] • Safety Performance of LED and Variable Lighting Systems [NCHRP 05 -25] • Connecting Transportation Asset Management and Transportation System Management and Operations [NCHRP 08 -138] • Methods to Prevent Bridge Strikes by Trucks [NCHRP 08 -139] • National Design and Interoperability Standards for Truck Parking Information Systems [NCHRP 08 -140] • Guidance for Local Truck Parking Regulations [NCHRP 08 -141] • Modern Solutions to Safe and Efficient Work Zone Travel [NCHRP 10 -109] • Strategies to Improve Pedestrian Safety at Night [NCHRP 17 -97] • Intersection Control Evaluation (ICE) Guide [NCHRP 17 -98] • Safety Effectiveness Assessment of Advanced Highway-Rail Grade Crossing Improvements [NCHRP 17 -99] Nominations due June 30 at https: //volunteer. mytrb. org/Panel/Available. Projects