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/ Operational Innovations for Efficiency and Accessibility of On-demand Mobility in Rural Areas https://rip.trb.org/View/2509042 Wed, 12 Feb 2025 17:36:46 GMT https://rip.trb.org/View/2509042 Supply Chain Outreach and Rail Economic Impact Study https://rip.trb.org/View/2505753 Tue, 04 Feb 2025 16:40:34 GMT https://rip.trb.org/View/2505753 Synthesis of Information Related to Airport Practices. Topic S07-06. Application of Large Language Models in Enhancing Airport Passenger Experience https://rip.trb.org/View/2458785 Mon, 18 Nov 2024 20:38:23 GMT https://rip.trb.org/View/2458785 Understanding Transit Willingness-to-Ride, Barriers-to-Access, and Anticipated Impacts of Proposed BRT Corridors https://rip.trb.org/View/2417302 Wed, 14 Aug 2024 11:59:27 GMT https://rip.trb.org/View/2417302 Guidelines for Managing Current and Future Transportation Network Companies (TNCs) Operations at Airports https://rip.trb.org/View/2413910 Mon, 05 Aug 2024 19:37:42 GMT https://rip.trb.org/View/2413910 Planning and Dynamic Management of Autonomous Modular Mobility Services https://rip.trb.org/View/2329133 Sun, 28 Jan 2024 12:40:45 GMT https://rip.trb.org/View/2329133 Automated vehicle-supported mobility services for rural areas https://rip.trb.org/View/2251095 Thu, 21 Sep 2023 15:52:16 GMT https://rip.trb.org/View/2251095 Engaging Underserved Communities and Populations in Child Passenger Safety https://rip.trb.org/View/2205311 Tue, 04 Jul 2023 13:01:35 GMT https://rip.trb.org/View/2205311 Coordinated Volunteer Transportation in Western New York State https://rip.trb.org/View/2071570 Mon, 28 Nov 2022 14:20:07 GMT https://rip.trb.org/View/2071570 Synthesis of Information Related to Transit Practices. Topic SB-38. Paratransit Fleet Configurations https://rip.trb.org/View/1957076 Fri, 27 May 2022 11:49:48 GMT https://rip.trb.org/View/1957076 Synthesis of Information Related to Airport Practices. Topic S03-17. Airport Centric Advanced Air Mobility Market Study https://rip.trb.org/View/1897247 Tue, 14 Dec 2021 14:20:53 GMT https://rip.trb.org/View/1897247 4608: Forecasting Shifts in Hoosiers’ Travel Demand and Behavior https://rip.trb.org/View/1862610 Tue, 29 Jun 2021 15:26:06 GMT https://rip.trb.org/View/1862610 Planning for Innovative and Emerging Mobility Futures at Intermodal Passenger Facilities https://rip.trb.org/View/1854175 Tue, 25 May 2021 16:18:14 GMT https://rip.trb.org/View/1854175 Economic Impact Report for Advanced Autonomous Aircraft Technologies in Ohio https://rip.trb.org/View/1742620 Thu, 01 Oct 2020 17:13:47 GMT https://rip.trb.org/View/1742620 Urban Microtransit Cross-sectional Study for Service Portfolio Design https://rip.trb.org/View/1697990 Thu, 16 Apr 2020 09:22:59 GMT https://rip.trb.org/View/1697990