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/ Driver’s Education Accessibility and Instructor Certification Challenges – Disparities in the State https://rip.trb.org/View/2617578 Mon, 03 Nov 2025 15:52:47 GMT https://rip.trb.org/View/2617578 Applicability of Low-Floor Light Rail Vehicles in North America https://rip.trb.org/View/2516244 Tue, 25 Feb 2025 14:55:33 GMT https://rip.trb.org/View/2516244 North American Road Safety Calculator https://rip.trb.org/View/2505730 Mon, 03 Feb 2025 22:08:19 GMT https://rip.trb.org/View/2505730 Enhancing Road Safety for Local Rural and Tribal Persistent Poverty Communities in the Northern Plains: A Research and Outreach Initiative for Safer Journeys https://rip.trb.org/View/2490982 Tue, 14 Jan 2025 14:48:12 GMT https://rip.trb.org/View/2490982 Elevating Traffic Safety in Native American Communities: A Comprehensive Approach with Online Mapping and Crowdsourcing Solutions https://rip.trb.org/View/2401748 Mon, 08 Jul 2024 14:54:14 GMT https://rip.trb.org/View/2401748 Quick-Response Research on Long-Term Strategic Issues. Task 45. Future of Commuter Rail in North America https://rip.trb.org/View/2083650 Tue, 13 Dec 2022 09:30:47 GMT https://rip.trb.org/View/2083650 MPC Tribal Transportation Training and Technology Transfer Program https://rip.trb.org/View/1920935 Tue, 01 Mar 2022 19:37:16 GMT https://rip.trb.org/View/1920935 Legal Problems Arising out of Highway Programs. Topic 26-01. Effects of Indian Treaties on Development and Operation of Transportation Facilities https://rip.trb.org/View/1889475 Tue, 02 Nov 2021 15:15:03 GMT https://rip.trb.org/View/1889475 Legal Problems Arising out of Highway Programs. Topic 23-05. Update of Selected Studies in Transportation Law: Volume Eight, Section 3: Indian Transportation Law https://rip.trb.org/View/1889490 Tue, 02 Nov 2021 14:42:28 GMT https://rip.trb.org/View/1889490 North American Micromobility Panel https://rip.trb.org/View/1646762 Wed, 21 Aug 2019 15:13:06 GMT https://rip.trb.org/View/1646762 Highway Safety Behavioral Strategies for Rural Areas https://rip.trb.org/View/1632555 Wed, 26 Jun 2019 11:46:09 GMT https://rip.trb.org/View/1632555 STEM II https://rip.trb.org/View/1484946 Wed, 04 Oct 2017 17:38:07 GMT https://rip.trb.org/View/1484946 National Electric Bike Owner Survey https://rip.trb.org/View/1420059 Tue, 16 Aug 2016 16:19:38 GMT https://rip.trb.org/View/1420059 Synthesis of Information Related to Transit Practices. Topic SB-29. Customer Focused Service Strategies https://rip.trb.org/View/1410360 Sun, 05 Jun 2016 12:31:37 GMT https://rip.trb.org/View/1410360 Material Reference Library 2013-2018 https://rip.trb.org/View/1370409 Mon, 28 Sep 2015 11:24:19 GMT https://rip.trb.org/View/1370409