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/ AI-Enabled Vision System for Intersection Analytics https://rip.trb.org/View/2673053 Tue, 24 Feb 2026 15:00:25 GMT https://rip.trb.org/View/2673053 Evaluating Fuzzed Connected Vehicle Data to Support Travel Demand Modeling https://rip.trb.org/View/2663276 Sun, 01 Feb 2026 11:00:46 GMT https://rip.trb.org/View/2663276 Observational Intersection Traffic Safety Analysis https://rip.trb.org/View/2655705 Mon, 19 Jan 2026 16:30:17 GMT https://rip.trb.org/View/2655705 STEER AV - Safety Tuned Emulation of Emerging Responses for Autonomous Vehicles https://rip.trb.org/View/2640184 Thu, 11 Dec 2025 13:33:06 GMT https://rip.trb.org/View/2640184 Toward Ubiquitous Trajectory‐Based Traffic Network Diagnosis Systems https://rip.trb.org/View/2625315 Thu, 13 Nov 2025 16:01:21 GMT https://rip.trb.org/View/2625315 A Low-cost Roadside Device System for Cooperative Automated Driving Phase 2: Work Zone Safety Applications https://rip.trb.org/View/2625304 Thu, 13 Nov 2025 14:51:15 GMT https://rip.trb.org/View/2625304 Automatic Signal Retiming Using Vehicular Trajectory Data https://rip.trb.org/View/2562295 Fri, 06 Jun 2025 15:12:39 GMT https://rip.trb.org/View/2562295 Enhancing Road Safety Through Video Analytics and Connected and Automated Vehicles (CAV) https://rip.trb.org/View/2562267 Fri, 06 Jun 2025 14:55:37 GMT https://rip.trb.org/View/2562267 Development of Real-time Cyberattack Prediction & Warning System https://rip.trb.org/View/2548667 Wed, 30 Apr 2025 16:06:29 GMT https://rip.trb.org/View/2548667 A Radar-Based Real-Time Cyberattack Detection, Classification, And Notification System Based on Learning Driving-Simulated Vehicle Trajectory Data Under Cyberattacks https://rip.trb.org/View/2548665 Wed, 30 Apr 2025 16:01:32 GMT https://rip.trb.org/View/2548665 Freeway and Arterial Performance Analysis with High-Resolution Vehicle Trajectory Data (NDOT 500-22-803) https://rip.trb.org/View/2499171 Wed, 29 Jan 2025 18:04:07 GMT https://rip.trb.org/View/2499171 An Updated Capacity Model for Mini-Roundabouts https://rip.trb.org/View/2452918 Fri, 15 Nov 2024 16:06:05 GMT https://rip.trb.org/View/2452918 Safe and efficient automated freeway traffic control- Phase 2 https://rip.trb.org/View/2440020 Sun, 13 Oct 2024 09:24:38 GMT https://rip.trb.org/View/2440020 Freeway and Arterial Performance and Safety Analysis with High Resolution Vehicle Trajectory Data https://rip.trb.org/View/2431597 Tue, 17 Sep 2024 17:43:12 GMT https://rip.trb.org/View/2431597 End-to-End Learning Framework for Transportation Network Equilibrium Modeling https://rip.trb.org/View/2425218 Thu, 05 Sep 2024 10:35:31 GMT https://rip.trb.org/View/2425218