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/ Solar Noise Barrier Industry Discovery and Prototyping https://rip.trb.org/View/2784616 Wed, 30 Sep 2026 11:25:18 GMT https://rip.trb.org/View/2784616 Advancing Pavement Design Inputs Through Improved R-Value Predictions https://rip.trb.org/View/2780407 Fri, 18 Sep 2026 17:07:19 GMT https://rip.trb.org/View/2780407 Improved Prediction of Long-Term Camber for Prestressed Bridge Girders Build in Arizona https://rip.trb.org/View/2780406 Fri, 18 Sep 2026 17:02:28 GMT https://rip.trb.org/View/2780406 Fiber Reinforcement in Concrete Pavement https://rip.trb.org/View/2780393 Fri, 18 Sep 2026 16:13:55 GMT https://rip.trb.org/View/2780393 Evaluating Impacts of Street Repurposing Interventions in U.S. Cities (Phase II) https://rip.trb.org/View/2780209 Fri, 18 Sep 2026 10:42:32 GMT https://rip.trb.org/View/2780209 Smart Trailer Technologies for Data-Driven Safety, Efficiency, and Policy Innovation in Heavy-Duty Fleet Operations https://rip.trb.org/View/2778229 Thu, 17 Sep 2026 16:22:36 GMT https://rip.trb.org/View/2778229 StreetSavvi: Complete Street AI Companion for Digital Twin Driving https://rip.trb.org/View/2778225 Thu, 17 Sep 2026 15:05:42 GMT https://rip.trb.org/View/2778225 The Effects of Curb Extensions and Stormwater Infrastructure on Traffic Safety in Philadelphia https://rip.trb.org/View/2778224 Thu, 17 Sep 2026 14:57:48 GMT https://rip.trb.org/View/2778224 Clearview: Revisiting the Safety Benefits of this Long-Used Sign Font https://rip.trb.org/View/2778040 Mon, 14 Sep 2026 16:19:27 GMT https://rip.trb.org/View/2778040 Performance Evaluation of Intermediate and Base Asphalt Mixtures in Virginia https://rip.trb.org/View/2775952 Thu, 10 Sep 2026 09:45:29 GMT https://rip.trb.org/View/2775952 Near Real-time Construction Quality Monitoring and Inspection Protocols Using Uncrewed Aerial Vehicles https://rip.trb.org/View/2691499 Thu, 10 Sep 2026 08:58:47 GMT https://rip.trb.org/View/2691499 Advancing Slope Stability in Roadway Embankments: The Role of Innovative Geosynthetics and Numerical Modeling Under Dynamic Traffic Load and Extreme Rainfall Conditions https://rip.trb.org/View/2691527 Thu, 10 Sep 2026 08:54:26 GMT https://rip.trb.org/View/2691527 Potential Use of Nano Clay in Waste Polymer Modified Asphalt https://rip.trb.org/View/2696930 Thu, 10 Sep 2026 08:34:45 GMT https://rip.trb.org/View/2696930 Performance Evaluation of Valmont Dampers for Traffic Signal and Sign Structures https://rip.trb.org/View/2772643 Wed, 02 Sep 2026 13:31:08 GMT https://rip.trb.org/View/2772643 Performance of Cement-Treated Aggregate (CTA) and Full-Depth Reclamation (FDR) Bases for Semi-Rigid Pavement Design https://rip.trb.org/View/2772642 Wed, 02 Sep 2026 13:15:30 GMT https://rip.trb.org/View/2772642