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/ Video-based Conflict Analysis https://rip.trb.org/View/2775488 Wed, 09 Sep 2026 10:29:20 GMT https://rip.trb.org/View/2775488 Assessing the Value of LiDAR in Detecting Conflicts at Intersections to Enhance Safety https://rip.trb.org/View/2717656 Wed, 24 Jun 2026 14:33:26 GMT https://rip.trb.org/View/2717656 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 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 AI Powered Conflict Detection and Signal Optimization for Right Turn FYAs in Mixed Modal Intersections https://rip.trb.org/View/2640185 Thu, 11 Dec 2025 13:35:20 GMT https://rip.trb.org/View/2640185 Implementation Requirements for Work Zone Intrusion Technologies to Reduce Fatalities https://rip.trb.org/View/2596487 Mon, 08 Sep 2025 11:58:54 GMT https://rip.trb.org/View/2596487 Effects of Automated Speed Enforcement on Crashes Involving Pedestrians and Bicyclists https://rip.trb.org/View/2570609 Tue, 01 Jul 2025 14:37:48 GMT https://rip.trb.org/View/2570609 Managing and Sharing Traffic Management Systems Video https://rip.trb.org/View/2558409 Tue, 27 May 2025 20:58:41 GMT https://rip.trb.org/View/2558409 Laying the cornerstone of Advanced Air Mobility infrastructure: A Low-Altitude Airspace Surveillance System Optimized for Reliability, Robustness, Resilience, and Cost https://rip.trb.org/View/2502108 Mon, 03 Feb 2025 10:50:04 GMT https://rip.trb.org/View/2502108 A Cost-Efficient Digital Twin Approach Using Pan-Tilt-Zoom Cameras to Enhance Urban Mobility Situational Awareness https://rip.trb.org/View/2459070 Thu, 21 Nov 2024 17:02:04 GMT https://rip.trb.org/View/2459070 Monitoring of Urban Roadway Safety Hazards from Existing Bus-based Video Imagery: Phase 2 https://rip.trb.org/View/2440023 Sun, 13 Oct 2024 09:34:48 GMT https://rip.trb.org/View/2440023 An Automated Training Model for Selecting Maritime Traffic Monitoring and Tracking Model Types using AIS Data with Missing Information https://rip.trb.org/View/2406732 Tue, 23 Jul 2024 16:29:54 GMT https://rip.trb.org/View/2406732 SPR-4930: Further Refinement and Integrated Platform for INDOT Traffic Management and Safety Toolset https://rip.trb.org/View/2401904 Tue, 09 Jul 2024 14:48:00 GMT https://rip.trb.org/View/2401904 Enhancing Pedestrian and Bicyclist Safety through Abnormal Driving Behavior Detection https://rip.trb.org/View/2401754 Mon, 08 Jul 2024 14:54:17 GMT https://rip.trb.org/View/2401754 Evaluating the Impact of Speed Safety Cameras in Interstate Work Zones https://rip.trb.org/View/2395031 Thu, 20 Jun 2024 09:33:35 GMT https://rip.trb.org/View/2395031