Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Statistical Evaluation of Illinois Modified AASHTO T161 Freeze–Thaw Testing Following Laboratory Relocation https://rip.trb.org/View/2686616 Wed, 01 Apr 2026 09:41:33 GMT https://rip.trb.org/View/2686616 Communicable disease preparedness: Aircraft cabin disease dispersion study for model validation https://rip.trb.org/View/2675923 Mon, 02 Mar 2026 10:19:24 GMT https://rip.trb.org/View/2675923 Using Large Language Models to Generate Synthetic Data for Proactive Pedestrian Safety Prediction: Overcoming Data Collection Barriers in Surrogate Safety Analysis https://rip.trb.org/View/2663604 Tue, 03 Feb 2026 15:34:23 GMT https://rip.trb.org/View/2663604 Accelerating IFC Adoption by Advancing IFC Validation Service and Software Certification Program https://rip.trb.org/View/2652044 Sat, 10 Jan 2026 11:59:41 GMT https://rip.trb.org/View/2652044 Aeromedical HFACS Nanocode Review and Validation https://rip.trb.org/View/2646975 Thu, 08 Jan 2026 08:56:35 GMT https://rip.trb.org/View/2646975 Safe and Personalized Control of Autonomous Vehicles with On-Board Vision Language Models: System Design and Real-World Validation https://rip.trb.org/View/2625313 Thu, 13 Nov 2025 15:43:04 GMT https://rip.trb.org/View/2625313 Enhancing Flexible Pavement System 23 (FPS23) by Incorporating a Top-Down Cracking Model in Texas Mechanistic-Empirical Flexible Pavement Design System (TxME) https://rip.trb.org/View/2604524 Mon, 29 Sep 2025 16:12:23 GMT https://rip.trb.org/View/2604524 Validation of HSM Crash Prediction Methods for Specific Intersection Types in Oregon https://rip.trb.org/View/2593954 Thu, 28 Aug 2025 12:53:55 GMT https://rip.trb.org/View/2593954 KYTC Geotechnical Data Transition Support and Application Development https://rip.trb.org/View/2593940 Thu, 28 Aug 2025 11:32:34 GMT https://rip.trb.org/View/2593940 Balance Mix Design Data Validation https://rip.trb.org/View/2593939 Thu, 28 Aug 2025 11:32:34 GMT https://rip.trb.org/View/2593939 Evaluating and Implementing Ground Penetrating Radar (GPR) for Continuous and Rapid Monitoring of Moisture Fluctuations in In-Service Roads https://rip.trb.org/View/2487309 Fri, 18 Jul 2025 09:49:56 GMT https://rip.trb.org/View/2487309 Innovations Deserving Exploratory Analysis--The Transit IDEA Program. IDEA 109. Simulation-based Decision-Making Tool for Microtransit Service Evaluation and Optimization https://rip.trb.org/View/2572333 Tue, 08 Jul 2025 17:11:39 GMT https://rip.trb.org/View/2572333 GraphSecure Security Enhancement for Autonomous Vehicle Networks with Knowledge Graph https://rip.trb.org/View/2559306 Thu, 29 May 2025 21:34:29 GMT https://rip.trb.org/View/2559306 AI-Based Tool for Fixing Inconsistencies in Traffic Crash Reports https://rip.trb.org/View/2505727 Mon, 03 Feb 2025 22:31:11 GMT https://rip.trb.org/View/2505727 Validation and Correlation of Multi-Speed Friction Data Testing https://rip.trb.org/View/2475944 Fri, 13 Dec 2024 09:18:34 GMT https://rip.trb.org/View/2475944