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/ Innovative Materials for Improved Roadway Mobility and Drainage Efficiency https://rip.trb.org/View/2677558 Wed, 04 Mar 2026 13:53:43 GMT https://rip.trb.org/View/2677558 Evaluation of Safety Perspectives, Approaches, and Needs for Testing, Deploying, and Operating Vehicles Equipped with Driving Automation Systems (Automated Vehicles) on Public Roadways https://rip.trb.org/View/2655699 Fri, 16 Jan 2026 08:03:54 GMT https://rip.trb.org/View/2655699 Stick & Scan: Perching Uncrewed Aerial System for Efficient In-Situ Non-Destructive Inspection of Transportation Infrastructure https://rip.trb.org/View/2622014 Tue, 11 Nov 2025 15:06:01 GMT https://rip.trb.org/View/2622014 SPR-5014: Polymeric Overlays Performance Assessment https://rip.trb.org/View/2601507 Thu, 18 Sep 2025 16:03:45 GMT https://rip.trb.org/View/2601507 Scour Critical Shear Stress of Ohio Soils https://rip.trb.org/View/2601291 Wed, 17 Sep 2025 08:35:07 GMT https://rip.trb.org/View/2601291 Concrete Strength Sensing Using REBEL Sensors https://rip.trb.org/View/2595171 Tue, 02 Sep 2025 11:41:16 GMT https://rip.trb.org/View/2595171 Phase II: Method Development for Construction Design in Diatomaceous Soils https://rip.trb.org/View/2594023 Thu, 28 Aug 2025 15:33:18 GMT https://rip.trb.org/View/2594023 Correlation of Laboratory Three-Wheel Polisher Revolutions with Roadway Accumulated-Traffic to Evaluate Laboratory Polishing of Pavements https://rip.trb.org/View/2593938 Thu, 28 Aug 2025 11:32:33 GMT https://rip.trb.org/View/2593938 Local Resonances-based NDE Technique for Rail Flaw Detection https://rip.trb.org/View/2572328 Tue, 08 Jul 2025 16:46:41 GMT https://rip.trb.org/View/2572328 Physical model to study tunnel squeezing under true-triaxial stress state (UTI-UTC 30) https://rip.trb.org/View/2543423 Wed, 07 May 2025 17:23:12 GMT https://rip.trb.org/View/2543423 Correlating In-situ Rapid Concrete Durability Test With Standardized Methods Via Pore Structure Analysis https://rip.trb.org/View/2549027 Sun, 04 May 2025 15:27:45 GMT https://rip.trb.org/View/2549027 Efficient Construction Material Testing and Inspection Based on Risk Levels https://rip.trb.org/View/2533743 Tue, 01 Apr 2025 08:45:48 GMT https://rip.trb.org/View/2533743 Realistic Testing Protocols for Evaluating and Promoting Sustainable Technologies for Stabilizing Highly Expansive Clay Soils https://rip.trb.org/View/2509295 Thu, 13 Feb 2025 15:11:53 GMT https://rip.trb.org/View/2509295 Piloting the remote-controlled operation of automated driving shuttles https://rip.trb.org/View/2505998 Tue, 04 Feb 2025 17:03:11 GMT https://rip.trb.org/View/2505998 Managing Vehicle-Rail Interface (VRI) Dynamics and Mechanics https://rip.trb.org/View/2446878 Tue, 29 Oct 2024 15:30:15 GMT https://rip.trb.org/View/2446878