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/ Unraveling the Causes of Fatal Crashes in the U.S.: A Machine Learning Approach to Safer Roads https://rip.trb.org/View/2694440 Tue, 21 Apr 2026 13:45:15 GMT https://rip.trb.org/View/2694440 Real-Time Anomaly Detection System for Signalized Intersections https://rip.trb.org/View/2673038 Tue, 24 Feb 2026 10:25:57 GMT https://rip.trb.org/View/2673038 Obtaining Reliable Pavement Friction Measurements Using Connected Vehicles https://rip.trb.org/View/2643034 Thu, 18 Dec 2025 15:09:53 GMT https://rip.trb.org/View/2643034 Spatio Temporal Graph Learning for Real Time Pedestrian Exposure Estimation https://rip.trb.org/View/2640189 Thu, 11 Dec 2025 13:45:37 GMT https://rip.trb.org/View/2640189 Safety and Operational Performance Assessment of CFIs and DDIs in Utah https://rip.trb.org/View/2632836 Thu, 27 Nov 2025 08:54:32 GMT https://rip.trb.org/View/2632836 Bear Alert Work Zone Worker Alert Systems via a VR-Based Human-in-the-Loop Simulation https://rip.trb.org/View/2611276 Mon, 20 Oct 2025 16:15:19 GMT https://rip.trb.org/View/2611276 Supplemental Traffic Count Pilot Project for Establishing a Statewide Count Program in Colorado https://rip.trb.org/View/2559639 Sun, 01 Jun 2025 14:26:01 GMT https://rip.trb.org/View/2559639 Effects of Explosives on Avalanche Frequency and Magnitude https://rip.trb.org/View/2540004 Fri, 18 Apr 2025 13:03:10 GMT https://rip.trb.org/View/2540004 Identifying and Analyzing Pass-by Crashes for the Purpose of Designing Proper Intervention Measures to Mitigate Crashes Involving Rural Population https://rip.trb.org/View/2509040 Wed, 12 Feb 2025 17:48:56 GMT https://rip.trb.org/View/2509040 Sieve Analysis Procedure to Quantify Reclaimed Asphalt Pavement Binder Availability https://rip.trb.org/View/2505725 Mon, 03 Feb 2025 22:33:50 GMT https://rip.trb.org/View/2505725 Connected Vehicle Data for Statewide Seat Belt Use Estimation: Proof of Concept https://rip.trb.org/View/2480356 Wed, 01 Jan 2025 16:28:27 GMT https://rip.trb.org/View/2480356 Development of a Machine Learning Interpretation Aid to Support Rockfall Hazard Forecasting https://rip.trb.org/View/2431168 Mon, 16 Sep 2024 09:08:53 GMT https://rip.trb.org/View/2431168 A Machine Learning and Statistical Analysis Framework for Enhanced Engineer's Estimate Accuracy in Highway Infrastructure Projects, Phase I https://rip.trb.org/View/2398009 Wed, 26 Jun 2024 12:25:55 GMT https://rip.trb.org/View/2398009 Automated Valuation Models to Expedite Right-of-Way Acquisition Processes Within the Federal-aid Program Across the Nation. https://rip.trb.org/View/2077933 Tue, 06 Dec 2022 09:48:32 GMT https://rip.trb.org/View/2077933 Probability of Detection in Corrosion Monitoring with FE-C Coated LPFG Sensors (SN-8) https://rip.trb.org/View/1976352 Sun, 05 Jun 2022 14:19:37 GMT https://rip.trb.org/View/1976352