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/ Application of Machine Learning to Investigate Grinding Parameters of a Novel Railway Grinding Machine https://rip.trb.org/View/2762049 Wed, 19 Aug 2026 16:05:23 GMT https://rip.trb.org/View/2762049 Evaluation of Thick Lift Surface Asphalt Pavement Mixtures https://rip.trb.org/View/2721743 Thu, 02 Jul 2026 10:54:08 GMT https://rip.trb.org/View/2721743 UHPC Roadmap: Advancing the Use of Ultra-High Performance Concrete (UHPC) in Bridge Applications ​ ​ https://rip.trb.org/View/2712044 Mon, 08 Jun 2026 11:32:59 GMT https://rip.trb.org/View/2712044 Full-Scale Performance Evaluation of a Modular, Lightweight, UHPC Panel System for Repair of Corrosion-Damaged Steel H-Piles https://rip.trb.org/View/2695941 Thu, 23 Apr 2026 16:26:18 GMT https://rip.trb.org/View/2695941 Anchorage Design and Detailing for Fabric-Reinforced Cementitious Matrix Retrofits of Transportation Concrete Structures https://rip.trb.org/View/2691724 Sun, 12 Apr 2026 23:52:50 GMT https://rip.trb.org/View/2691724 Advancing Rail Infrastructure Asset Management and Hazard Mitigation: Educational Tools and Practitioner Decision Support Systems https://rip.trb.org/View/2691664 Sun, 12 Apr 2026 23:25:19 GMT https://rip.trb.org/View/2691664 Road Network Restoration after Major Disruptions https://rip.trb.org/View/2447123 Wed, 11 Mar 2026 13:21:54 GMT https://rip.trb.org/View/2447123 Rehabilitation of Deteriorated Timber Piles Using Ultra High Performance Concrete https://rip.trb.org/View/2646939 Mon, 05 Jan 2026 22:38:43 GMT https://rip.trb.org/View/2646939 Equitable Resilience-Informed Strategies for Flood Risk Mitigation in Nebraska's Transportation Infrastructure https://rip.trb.org/View/2627065 Wed, 19 Nov 2025 15:04:27 GMT https://rip.trb.org/View/2627065 Pavement Conditions Assessment and Prediction (PCAP): A geospatial machine learning approach to inform decision-making https://rip.trb.org/View/2570737 Wed, 02 Jul 2025 11:39:48 GMT https://rip.trb.org/View/2570737 Concrete Removal Limits for the Rehabilitation of Bridge Piers https://rip.trb.org/View/2567105 Sun, 22 Jun 2025 10:02:19 GMT https://rip.trb.org/View/2567105 Synthesis of VDOT Historic Bridge Survey, Review, and Management Information https://rip.trb.org/View/2561782 Thu, 05 Jun 2025 10:34:33 GMT https://rip.trb.org/View/2561782 Guide for Culvert and Storm Drain Rehabilitation https://rip.trb.org/View/2558411 Tue, 27 May 2025 20:50:33 GMT https://rip.trb.org/View/2558411 Synthesis of Effective Treatments to Address Settlement Beneath Bridge Approach Slabs https://rip.trb.org/View/2536080 Tue, 08 Apr 2025 13:11:20 GMT https://rip.trb.org/View/2536080 AASHTO LRFD Design, Installation, and Standard Practice of Testing for Cured In-Place Pipe Liners https://rip.trb.org/View/2533713 Tue, 01 Apr 2025 09:26:06 GMT https://rip.trb.org/View/2533713