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/ E-Commerce Impacts on Oregon Household Level Deliveries, Trips, and VMT https://rip.trb.org/View/2593956 Thu, 28 Aug 2025 14:25:04 GMT https://rip.trb.org/View/2593956 ACRP Insight Event: The Future of Airport Parking Revenue https://rip.trb.org/View/2588338 Tue, 12 Aug 2025 09:48:52 GMT https://rip.trb.org/View/2588338 Revenue Opportunities from MDOT Fiber Infrastructure and Other Utility Types https://rip.trb.org/View/2562269 Fri, 06 Jun 2025 15:08:55 GMT https://rip.trb.org/View/2562269 Measuring the Impact of Transformative Transportation Technologies on Local Government Revenues Linked to Transportation Infrastructure https://rip.trb.org/View/2519125 Sat, 08 Mar 2025 11:20:19 GMT https://rip.trb.org/View/2519125 Regional Transportation Impact Fees: Adoption Factors, Institutional Mechanisms, Equity Impacts, and Revenue Yield https://rip.trb.org/View/2499288 Fri, 31 Jan 2025 19:07:10 GMT https://rip.trb.org/View/2499288 Potential Revenue Generation Through Commercialization of Arizona Rest Areas https://rip.trb.org/View/2485373 Fri, 03 Jan 2025 16:04:05 GMT https://rip.trb.org/View/2485373 Synthesis of Information Related to Airport Practices. Topic S01-32. Evolution and Impact of Airport Lounges https://rip.trb.org/View/2458784 Mon, 18 Nov 2024 20:51:57 GMT https://rip.trb.org/View/2458784 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 Understanding Electric Vehicle Impacts on Arizona Fuel-Tax Revenue https://rip.trb.org/View/2353352 Mon, 18 Mar 2024 16:13:46 GMT https://rip.trb.org/View/2353352 Quick-Response Research on Long-Term Strategic Issues. Task 50. Transit Funding Sources and Governance Models https://rip.trb.org/View/2307252 Wed, 13 Dec 2023 12:38:39 GMT https://rip.trb.org/View/2307252 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 SPR-4861: Updating Cost Allocation and Revenue Attribution https://rip.trb.org/View/2306933 Fri, 08 Dec 2023 10:37:48 GMT https://rip.trb.org/View/2306933 The Impact of EV Infrastructure on Transportation Revenues https://rip.trb.org/View/2244383 Wed, 13 Sep 2023 13:49:23 GMT https://rip.trb.org/View/2244383 Improving Long-rang Planning Models for Feasibility Analysis of Mileage-based User Fees as an Alternative Revenue Stream https://rip.trb.org/View/2232723 Thu, 24 Aug 2023 14:30:34 GMT https://rip.trb.org/View/2232723 Guide for In-Terminal Airport Concession Programs https://rip.trb.org/View/2226016 Thu, 10 Aug 2023 09:45:57 GMT https://rip.trb.org/View/2226016