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/ Artificial Intelligence for Pavement Condition Assessment from 2D/3D Surface Images https://rip.trb.org/View/2727389 Fri, 10 Jul 2026 17:50:55 GMT https://rip.trb.org/View/2727389 Evaluation of Road Ripples on North Carolina Roadways https://rip.trb.org/View/2726548 Thu, 09 Jul 2026 08:48:35 GMT https://rip.trb.org/View/2726548 Feasibility Study of Zinc Diethyldithiocarbamate (ZDC) Modified Asphalt Mixture for Enhanced Safety through Improved Aging Resistance in Asphalt Pavement https://rip.trb.org/View/2703922 Tue, 19 May 2026 13:37:20 GMT https://rip.trb.org/View/2703922 Improve pavement surface distress and transverse profile data collection and analysis, Phase III https://rip.trb.org/View/2666773 Mon, 09 Feb 2026 19:52:08 GMT https://rip.trb.org/View/2666773 Data-driven assessment of rigid pavement vulnerability in Texas coastal regions https://rip.trb.org/View/2663108 Thu, 29 Jan 2026 19:58:17 GMT https://rip.trb.org/View/2663108 Pavement Condition Rating Method and Use for Local Agencies https://rip.trb.org/View/2618201 Tue, 04 Nov 2025 15:32:41 GMT https://rip.trb.org/View/2618201 Are Current Rigid Pavement Roundabout Designs Working in Minnesota? https://rip.trb.org/View/2487311 Wed, 08 Oct 2025 11:57:15 GMT https://rip.trb.org/View/2487311 Evaluate Thick Lift High Performance Grade (HPG) Mixes for Intersections, Border Checkpoints, and Other Locations with Slow Moving Heavy Traffic https://rip.trb.org/View/2604525 Mon, 29 Sep 2025 16:16:58 GMT https://rip.trb.org/View/2604525 An End-to-End Deep Learning System for Pavement Distress Detection, Severity Estimation, and Condition Reporting https://rip.trb.org/View/2578878 Thu, 24 Jul 2025 09:30:40 GMT https://rip.trb.org/View/2578878 Pavement Distress Evaluation and Cracking Indices Generation using Deep Learning https://rip.trb.org/View/2563770 Fri, 13 Jun 2025 12:48:03 GMT https://rip.trb.org/View/2563770 SPR-5026: Evaluating the Effectiveness of Geosynthetics in Controlling the Detrimental Effects of Slow-Moving and Turning Traffic https://rip.trb.org/View/2553993 Thu, 15 May 2025 16:00:15 GMT https://rip.trb.org/View/2553993 Cryosuction and Its Role in Infrastructure Distress from Freeze-Thaw Cycles https://rip.trb.org/View/2534019 Thu, 03 Apr 2025 12:34:34 GMT https://rip.trb.org/View/2534019 Resiliency Assessment of Flood Damage in Pavements https://rip.trb.org/View/2534020 Thu, 03 Apr 2025 08:54:58 GMT https://rip.trb.org/View/2534020 RES2020-16: Evaluating Performance and Benefits-Costs of Road Diets in Tennessee https://rip.trb.org/View/2499160 Wed, 29 Jan 2025 15:57:47 GMT https://rip.trb.org/View/2499160 Update of Traffic Factor Equations for IDOT Mechanistic-Empirical Pavement Design https://rip.trb.org/View/2486928 Mon, 06 Jan 2025 12:32:41 GMT https://rip.trb.org/View/2486928