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/ Understanding Factors Influencing Truck Crashes with Vulnerable Road Users: A Panel Data Approach https://rip.trb.org/View/2625592 Mon, 17 Nov 2025 16:15:57 GMT https://rip.trb.org/View/2625592 Experimental Approaches for Integrating External Factors into Pathway for Planning (P4P) Traffic Volume Forecasting https://rip.trb.org/View/2573011 Thu, 10 Jul 2025 08:17:53 GMT https://rip.trb.org/View/2573011 Telemedicine Adoption Before, During, and After COVID-19: The Role of Socioeconomic and Built Environment Variables https://rip.trb.org/View/2519198 Sat, 08 Mar 2025 11:26:30 GMT https://rip.trb.org/View/2519198 Patterns and drivers of urban expansions in the Texas Triangle: Case study of the Austin metropolitan region https://rip.trb.org/View/2459117 Sat, 23 Nov 2024 10:16:49 GMT https://rip.trb.org/View/2459117 Effect of Drivers Education on Traffic Safety https://rip.trb.org/View/2437699 Thu, 03 Oct 2024 15:39:19 GMT https://rip.trb.org/View/2437699 Socio Economic Impacts of Technology Based Stakeholder Engagement Platforms https://rip.trb.org/View/2040366 Mon, 22 Jul 2024 13:06:37 GMT https://rip.trb.org/View/2040366 Community-Centered Traffic Safety https://rip.trb.org/View/2325713 Mon, 22 Jan 2024 12:27:43 GMT https://rip.trb.org/View/2325713 Spatiotemporal Trends in Pedestrian Crashes https://rip.trb.org/View/2325688 Mon, 22 Jan 2024 09:42:28 GMT https://rip.trb.org/View/2325688 Improving Livability: Identifying Operational and Access Barriers to Active Transportation in Connecticut Communities https://rip.trb.org/View/2321727 Tue, 16 Jan 2024 12:18:09 GMT https://rip.trb.org/View/2321727 Evolution of Mode Use Due to COVID-19 Pandemic in the United States: Implications for the Future of Transit https://rip.trb.org/View/2137504 Tue, 14 Mar 2023 12:39:11 GMT https://rip.trb.org/View/2137504 Mode Substitutional Patterns of Ridehailing and Micro-Mobility Services https://rip.trb.org/View/2137501 Tue, 14 Mar 2023 12:31:00 GMT https://rip.trb.org/View/2137501 Examining On-Demand Transportation Services with a Focus on Shared Rides: Use and Users, Attitudes and Perceptions, Barriers and Solutions https://rip.trb.org/View/2118672 Fri, 17 Feb 2023 14:03:18 GMT https://rip.trb.org/View/2118672 Grid-Aware Robust Fast-Charging Station Deployment for Electric Buses Under Socioeconomic Considerations https://rip.trb.org/View/2087437 Wed, 21 Dec 2022 11:31:28 GMT https://rip.trb.org/View/2087437 Incorporating Mobility on Demand Into Public Transit in Suburban Areas: A Comparative Evaluation of Cost-Effectiveness https://rip.trb.org/View/2087436 Wed, 21 Dec 2022 11:24:03 GMT https://rip.trb.org/View/2087436 What Is the New Normal? An Analysis of Post-COVID-19 Commute and Work Patterns https://rip.trb.org/View/2087424 Wed, 21 Dec 2022 10:56:34 GMT https://rip.trb.org/View/2087424