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/ AI-Enabled Airport Capital Program Delivery https://rip.trb.org/View/2772543 Wed, 02 Sep 2026 17:24:38 GMT https://rip.trb.org/View/2772543 Capital Investment, Financing, Flood Risk, and Transportation Safety in the MidAmerica Region https://rip.trb.org/View/2706033 Sat, 23 May 2026 17:36:26 GMT https://rip.trb.org/View/2706033 Synthesis of Information Related to Airport Practices. Topic S01-34. Leveraging Technology to Streamline Capital Improvement Program Management https://rip.trb.org/View/2621997 Mon, 10 Nov 2025 19:28:31 GMT https://rip.trb.org/View/2621997 Leveraging Transportation Investments for Economic Development and Wealth Building https://rip.trb.org/View/2607895 Wed, 08 Oct 2025 10:10:05 GMT https://rip.trb.org/View/2607895 A Guide for Advancing Weather-Resilient Infrastructure Investment in Airports https://rip.trb.org/View/2588323 Tue, 12 Aug 2025 10:09:36 GMT https://rip.trb.org/View/2588323 Examining Transportation Infrastructure Investments at Large Employment Hubs for Improving Workers’ Travel: A Case Study of the Denver International Airport https://rip.trb.org/View/2557003 Mon, 26 May 2025 13:04:27 GMT https://rip.trb.org/View/2557003 Transportation Infrastructure Development Under Uncertainties https://rip.trb.org/View/2447061 Wed, 30 Oct 2024 15:09:57 GMT https://rip.trb.org/View/2447061 Incorporating Resilience Considerations in Transportation Asset Management Planning and Project Selection Process https://rip.trb.org/View/2437693 Thu, 03 Oct 2024 11:09:21 GMT https://rip.trb.org/View/2437693 RES2025-05: Case Studies on the Economic Benefits of TDOT's Rail Connectivity Grant Program https://rip.trb.org/View/2437330 Mon, 30 Sep 2024 16:07:16 GMT https://rip.trb.org/View/2437330 Multi-Objective Decision Analysis and Optimization Model for Transportation Investment Decision-Making at MDOT https://rip.trb.org/View/2406635 Mon, 22 Jul 2024 11:32:02 GMT https://rip.trb.org/View/2406635 SPR-4905: Feasibility Study on the Development of Indiana’s Connected and Automated Vehicle Roadmap and Strategic Plan https://rip.trb.org/View/2394548 Wed, 19 Jun 2024 13:57:01 GMT https://rip.trb.org/View/2394548 Building an Effective Framework for Active Transportation Messaging https://rip.trb.org/View/2381710 Mon, 20 May 2024 21:57:01 GMT https://rip.trb.org/View/2381710 Travel Demand Survey to Inform Infrastructure Investments (4.15) https://rip.trb.org/View/2378078 Thu, 09 May 2024 15:11:56 GMT https://rip.trb.org/View/2378078 Investigating Innovations in Litter Collection https://rip.trb.org/View/2359168 Tue, 26 Mar 2024 13:54:58 GMT https://rip.trb.org/View/2359168 Financing for Marine Transport: Analyzing the Impact of Resilient Infrastructure Investments for the Inland Waterways (Part II) https://rip.trb.org/View/2347371 Thu, 29 Feb 2024 19:22:05 GMT https://rip.trb.org/View/2347371