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/ Impact Study on Increasing Truck Permit Weight Limits: Infrastructure & Economic Considerations https://rip.trb.org/View/2724819 Wed, 08 Jul 2026 13:35:02 GMT https://rip.trb.org/View/2724819 Cost-Benefit Analysis of Preemptive Weather-Related Road Closures https://rip.trb.org/View/2689390 Tue, 02 Jun 2026 12:24:05 GMT https://rip.trb.org/View/2689390 Infrastructure Data System (IDS) https://rip.trb.org/View/2696940 Sat, 30 May 2026 12:16:43 GMT https://rip.trb.org/View/2696940 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 A Performance- and Cost-Based Framework to Evaluate the Value of Multimodal Logistics Infrastructure https://rip.trb.org/View/2703796 Sat, 16 May 2026 11:52:47 GMT https://rip.trb.org/View/2703796 Smart Drop-Shipping and Stocking Decision Support System https://rip.trb.org/View/2703794 Sat, 16 May 2026 11:49:44 GMT https://rip.trb.org/View/2703794 Decision Support for Dynamic Risks: Determinants of Model Adoption https://rip.trb.org/View/2703696 Fri, 15 May 2026 14:13:01 GMT https://rip.trb.org/View/2703696 Zero- and Reduced-Fare Transit Policy and Post-Pandemic Recovery: A Multi-Agency Analysis of Ridership, Service Supply, and Access https://rip.trb.org/View/2697838 Thu, 30 Apr 2026 08:37:11 GMT https://rip.trb.org/View/2697838 The Effects of Complete Streets Policies and Projects on Local Business Development and Growth in California https://rip.trb.org/View/2696848 Tue, 28 Apr 2026 11:07:56 GMT https://rip.trb.org/View/2696848 Rural Vehicle Markets and Consumer Affordability https://rip.trb.org/View/2691725 Sun, 12 Apr 2026 23:55:16 GMT https://rip.trb.org/View/2691725 Container-on-Barge Market Demand https://rip.trb.org/View/2673252 Tue, 24 Feb 2026 15:27:46 GMT https://rip.trb.org/View/2673252 Center for Efficient Mobility (CEM) Innovation Accelerator https://rip.trb.org/View/2636170 Thu, 12 Feb 2026 15:56:30 GMT https://rip.trb.org/View/2636170 Strategic Approaches to Managing Emerging Transportation Infrastructure Assets Through Public-Private Partnership https://rip.trb.org/View/2658058 Fri, 23 Jan 2026 13:43:13 GMT https://rip.trb.org/View/2658058 Impact of Noise Barriers on Residential Property Values https://rip.trb.org/View/2652033 Fri, 09 Jan 2026 09:12:41 GMT https://rip.trb.org/View/2652033 Rural Infrastructure Earthquake Risk Planning for Public Safety and Economic Stability https://rip.trb.org/View/2652031 Thu, 08 Jan 2026 16:12:13 GMT https://rip.trb.org/View/2652031