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/ Large Language Model-Driven Crash Risk Analysis System for Rural and Tribal Roadways https://rip.trb.org/View/2731923 Fri, 17 Jul 2026 16:08:51 GMT https://rip.trb.org/View/2731923 Leveraging Telematics Data for Enhanced Traffic Safety: Unveiling Crash-Prone Hotspots and Mitigating Incidents - Phase 2 https://rip.trb.org/View/2727388 Fri, 10 Jul 2026 17:07:46 GMT https://rip.trb.org/View/2727388 Systemic Safety Analysis and Assessment of Bicycle and Pedestrian Crash Risk: Developing Risk Factors using the Multimodal Inventory Project Data https://rip.trb.org/View/2725665 Wed, 08 Jul 2026 16:52:17 GMT https://rip.trb.org/View/2725665 Safety Performance of Safe System Treatments for Corridors and Intersections that May Impact Capacity https://rip.trb.org/View/2712178 Tue, 09 Jun 2026 15:00:53 GMT https://rip.trb.org/View/2712178 Highway Safety Manual Crash Prediction Models of Arterial Weaving Segments https://rip.trb.org/View/2712176 Tue, 09 Jun 2026 14:53:30 GMT https://rip.trb.org/View/2712176 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 Enhancing Heavy Vehicle Crash Prevention in North Dakota through Machine Learning and Weather Data Integration https://rip.trb.org/View/2683255 Tue, 24 Mar 2026 14:09:40 GMT https://rip.trb.org/View/2683255 Developing a Data Fusion Tool for Improved Traffic Crash Exposure Analysis and Modeling https://rip.trb.org/View/2663603 Tue, 03 Feb 2026 15:31:17 GMT https://rip.trb.org/View/2663603 Role of emerging transportation technologies and safety initiatives in mitigating crashes in coastal communities https://rip.trb.org/View/2661744 Thu, 29 Jan 2026 16:13:26 GMT https://rip.trb.org/View/2661744 Calibration and Implementation of Highway Safety Manual Bicyclist and Pedestrian Intersection Crash Prediction Models https://rip.trb.org/View/2635921 Thu, 04 Dec 2025 08:52:41 GMT https://rip.trb.org/View/2635921 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 Non-Motorist Safety at Highway-Rail Grade Crossings: Developing a Crash Prediction Model with Integrated Non-Motorist Exposure – Year 3 https://rip.trb.org/View/2573721 Mon, 14 Jul 2025 19:22:06 GMT https://rip.trb.org/View/2573721 Artificial Intelligence (AI) Applications to Enhance Transportation Safety https://rip.trb.org/View/2563983 Mon, 16 Jun 2025 09:54:17 GMT https://rip.trb.org/View/2563983 Applying Crash Prediction Models Across Traffic Control and Facility Types https://rip.trb.org/View/2558381 Wed, 28 May 2025 14:12:45 GMT https://rip.trb.org/View/2558381 Understand Vehicle-Driver Complex Behaviors under Cyberattacks and Model the Consequences to the Urban Traffic System https://rip.trb.org/View/2548666 Wed, 30 Apr 2025 16:04:19 GMT https://rip.trb.org/View/2548666