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/ Enhancing Transit Safety for Riders and Workers Through Strategic Collaboration with Law Enforcement https://rip.trb.org/View/2636139 Mon, 08 Dec 2025 19:39:34 GMT https://rip.trb.org/View/2636139 Synthesis of Information Related to Airport Practices. Topic S01-34. Leveraging Technology to Streamline Capital Improvement Program Management https://rip.trb.org/View/2621997 Mon, 10 Nov 2025 19:28:31 GMT https://rip.trb.org/View/2621997 A Generative AI Framework for Managing Public Comments in Transportation Agency Assessments https://rip.trb.org/View/2606403 Thu, 02 Oct 2025 15:03:39 GMT https://rip.trb.org/View/2606403 Assessing Quick Builds and Safe Streets for Non-Motorized Safety Using Simulations and Portable Sensing Technology https://rip.trb.org/View/2606402 Thu, 02 Oct 2025 14:57:54 GMT https://rip.trb.org/View/2606402 Methods to Revitalize and Improve Rest Area Infrastructure https://rip.trb.org/View/2593944 Thu, 28 Aug 2025 11:32:36 GMT https://rip.trb.org/View/2593944 Identifying Targets for Electric Vehicle Industry Improvement https://rip.trb.org/View/2519188 Fri, 07 Mar 2025 17:01:46 GMT https://rip.trb.org/View/2519188 Quantifying Public Transit Improvements: A Multimodal Evaluation of Recent Improvements to Los Angeles Rail Infrastructure https://rip.trb.org/View/2420031 Thu, 22 Aug 2024 14:53:47 GMT https://rip.trb.org/View/2420031 Low Cost Safety Strategies for Unpaved Rural Roads https://rip.trb.org/View/2342170 Tue, 20 Feb 2024 17:35:41 GMT https://rip.trb.org/View/2342170 Bonding vs. Pay-as-You-Go https://rip.trb.org/View/2087690 Mon, 31 Jul 2023 08:21:16 GMT https://rip.trb.org/View/2087690 Induced Demand Assessment Framework: A Guide https://rip.trb.org/View/2188140 Tue, 30 May 2023 20:28:29 GMT https://rip.trb.org/View/2188140 Develop a Real-time Decision Support Tool for Urban Roadway Safety Improvement https://rip.trb.org/View/2135480 Thu, 09 Mar 2023 14:09:56 GMT https://rip.trb.org/View/2135480 TriMet Risk Ranking Tool and Data Validation for Grade Crossing Safety Enhancement https://rip.trb.org/View/2096558 Fri, 13 Jan 2023 14:49:08 GMT https://rip.trb.org/View/2096558 THOR-50M Enhancements https://rip.trb.org/View/2050300 Tue, 25 Oct 2022 10:24:49 GMT https://rip.trb.org/View/2050300 Rural Access Infrastructure Funding Process https://rip.trb.org/View/2021855 Tue, 13 Sep 2022 11:38:31 GMT https://rip.trb.org/View/2021855 Countermeasures to Improve Pedestrian Safety on Arterials https://rip.trb.org/View/1948645 Fri, 06 May 2022 12:42:22 GMT https://rip.trb.org/View/1948645