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 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 Use of Advanced Data Capture Tools on Measurements of Crack Lengths and Potholes for Estimates and Final Quantities https://rip.trb.org/View/2652613 Tue, 13 Jan 2026 16:08:53 GMT https://rip.trb.org/View/2652613 Evaluating the I-25 Greenland Wildlife Overpass using network camera monitoring https://rip.trb.org/View/2643441 Tue, 23 Dec 2025 13:59:51 GMT https://rip.trb.org/View/2643441 Traffic Signal Non-Intrusive Detection Technology Assessment and Comparison https://rip.trb.org/View/2601431 Thu, 18 Sep 2025 00:48:46 GMT https://rip.trb.org/View/2601431 Assessing the Value of LiDAR in Detecting Conflicts at Intersections to Enhance Safety https://rip.trb.org/View/2596528 Tue, 09 Sep 2025 08:19:50 GMT https://rip.trb.org/View/2596528 SPR-5005: Evaluation of Asset Identification Technology https://rip.trb.org/View/2582580 Thu, 31 Jul 2025 11:05:23 GMT https://rip.trb.org/View/2582580 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 Investigation of Emerging Sensing and AI/ML Technologies to Enhance the Safety of Vulnerable Roadway Users at Signalized Intersection https://rip.trb.org/View/2553153 Tue, 13 May 2025 19:09:57 GMT https://rip.trb.org/View/2553153 CCTV Pole Solar Panel Wrap https://rip.trb.org/View/2483293 Thu, 26 Dec 2024 16:07:01 GMT https://rip.trb.org/View/2483293 Estimating Daytime Population for Data-Driven Urban Planning https://rip.trb.org/View/2458991 Thu, 21 Nov 2024 17:20:10 GMT https://rip.trb.org/View/2458991 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 Red Light Camera Expansion in New York City: Spillover Effect, Behavioral Insights and Strategic Allocation https://rip.trb.org/View/2459059 Thu, 21 Nov 2024 16:54:25 GMT https://rip.trb.org/View/2459059 Digital Twin for Driving as Planning Support Tool https://rip.trb.org/View/2440022 Sun, 13 Oct 2024 09:30:31 GMT https://rip.trb.org/View/2440022 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