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/ Transportation Corridor Fuel Consumption Calculator (TCFCC) Version 5.0 https://rip.trb.org/View/2692310 Tue, 14 Apr 2026 12:07:08 GMT https://rip.trb.org/View/2692310 Foundations in Energy Systems for Transportation Certificate https://rip.trb.org/View/2691662 Sun, 12 Apr 2026 23:19:42 GMT https://rip.trb.org/View/2691662 Comprehensive Modeling and Analysis of Energy Options for the US Trucking Freight Transportation: Stakeholder Behavior, Infrastructure Planning, and Local Impacts (Phase 2) https://rip.trb.org/View/2684211 Wed, 25 Mar 2026 17:33:34 GMT https://rip.trb.org/View/2684211 Advancing Rural Mobility through Innovative Charging Solutions https://rip.trb.org/View/2677557 Wed, 04 Mar 2026 13:49:50 GMT https://rip.trb.org/View/2677557 Evaluating Efficiency of Rural Transit Systems https://rip.trb.org/View/2652175 Tue, 13 Jan 2026 15:33:18 GMT https://rip.trb.org/View/2652175 Synthesis of Information Related to Highway Practices. Topic 57-08. Siting Electric Transmission Lines in Rights-of-Way https://rip.trb.org/View/2630486 Wed, 26 Nov 2025 17:21:06 GMT https://rip.trb.org/View/2630486 Utilizing Hydrogen Fuel Technology for a Transportation Fleet https://rip.trb.org/View/2487229 Wed, 08 Oct 2025 10:19:38 GMT https://rip.trb.org/View/2487229 Urban Network Speed Optimization for Connected Automated Vehicles: Development and Testing https://rip.trb.org/View/2606410 Thu, 02 Oct 2025 15:21:38 GMT https://rip.trb.org/View/2606410 Determine Land Use Patterns, Travel, Regional Development, Population Trends, and Technology Change Impacts on Texas Energy Use and Carbon Emissions https://rip.trb.org/View/2593190 Tue, 26 Aug 2025 12:39:33 GMT https://rip.trb.org/View/2593190 Evaluating Texas Ports Readiness and Opportunities for Alternative Fuels https://rip.trb.org/View/2593188 Tue, 26 Aug 2025 12:37:11 GMT https://rip.trb.org/View/2593188 SPR-5006: Stakeholder Engagement in Indiana's Electrification Ecosystem and Infrastructure Readiness Assessment https://rip.trb.org/View/2590601 Tue, 19 Aug 2025 14:58:24 GMT https://rip.trb.org/View/2590601 Guide for Meeting Current and Future Airport Utility Needs https://rip.trb.org/View/2588330 Tue, 12 Aug 2025 10:19:33 GMT https://rip.trb.org/View/2588330 Airport Energy Resilience Decision Support Tools https://rip.trb.org/View/2588334 Tue, 12 Aug 2025 10:11:44 GMT https://rip.trb.org/View/2588334 Feasibility of LED Solar Street Lighting https://rip.trb.org/View/2486973 Fri, 18 Jul 2025 09:25:19 GMT https://rip.trb.org/View/2486973 Non-Contact Energy Harvesting for Rural Grade Crossings – Year 3 https://rip.trb.org/View/2574027 Mon, 14 Jul 2025 19:06:39 GMT https://rip.trb.org/View/2574027