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 Advanced Transportation Optimization and Modeling (ATOM) https://rip.trb.org/View/2676009 Tue, 03 Mar 2026 16:42:33 GMT https://rip.trb.org/View/2676009 Express Lanes Benefitting Freight Mobility: Can Express Lane Systems and its Benefits to General-purpose Lanes Improve Freight Mobility? https://rip.trb.org/View/2553996 Fri, 16 May 2025 07:20:18 GMT https://rip.trb.org/View/2553996 Strategies for Potential Emissions Reductions for Commercial Maritime Vessels at Ports https://rip.trb.org/View/2347370 Thu, 29 Feb 2024 14:33:53 GMT https://rip.trb.org/View/2347370 Evaluating Alternative Fuels in Snowplow/Maintenance Vehicles and Identifying Barriers to Adoption https://rip.trb.org/View/2344949 Tue, 27 Feb 2024 17:27:49 GMT https://rip.trb.org/View/2344949 Ecological Driving System for Connected Automated Vehicles: A New Model Predictive Control Framework https://rip.trb.org/View/2343737 Thu, 22 Feb 2024 15:57:28 GMT https://rip.trb.org/View/2343737 Modernizing Fuel Tax Revenue Forecasting https://rip.trb.org/View/2307248 Mon, 11 Dec 2023 21:33:38 GMT https://rip.trb.org/View/2307248 Research and Support Implementation of Highway Construction and Materials that Reduce Environmental Impacts and Emissions, and Maximize Material Efficiency and Recycling. https://rip.trb.org/View/2093179 Tue, 03 Jan 2023 13:53:38 GMT https://rip.trb.org/View/2093179 Electric Fast Foil Ferry: Re-imagining the Mosquito Fleet for Accelerating Passenger Ferry Innovation https://rip.trb.org/View/2062441 Tue, 15 Nov 2022 16:17:51 GMT https://rip.trb.org/View/2062441 Optimizing CAV platoon movements in a signalized road network for travel and energy efficiency https://rip.trb.org/View/1716531 Thu, 25 Jun 2020 13:53:59 GMT https://rip.trb.org/View/1716531 Eco-Driving Study on Trucks along a Signalized Arterial with Significant Freight Traffic  https://rip.trb.org/View/1531716 Fri, 10 Aug 2018 08:07:09 GMT https://rip.trb.org/View/1531716 HRDO-FY16-15 Eco-Drive Experiment on Rolling Terrain to Optimize Fuel Consumption https://rip.trb.org/View/1509093 Thu, 19 Apr 2018 15:32:09 GMT https://rip.trb.org/View/1509093 Investigation of the Relationship between Fuel Consumption, Dynamic Load, and Roughness of Pavement Preservation Treatments https://rip.trb.org/View/1504877 Sun, 11 Mar 2018 11:20:47 GMT https://rip.trb.org/View/1504877 Leveraging Connected Vehicles to Enhance Traffic Responsive Traffic Signal Control https://rip.trb.org/View/1401178 Tue, 15 Mar 2016 18:37:41 GMT https://rip.trb.org/View/1401178 In-Place Recycle Paving Methods: Energy Use Analysis https://rip.trb.org/View/1370730 Tue, 29 Sep 2015 16:20:24 GMT https://rip.trb.org/View/1370730