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/ SPR-5130: Computational Tool for Estimating the Service-Life of Concrete Decks and Slabs https://rip.trb.org/View/2709431 Wed, 03 Jun 2026 13:33:47 GMT https://rip.trb.org/View/2709431 The Use of Recycled Plastic in Concrete Pavements - Phase II https://rip.trb.org/View/2685709 Tue, 02 Jun 2026 12:23:14 GMT https://rip.trb.org/View/2685709 MIT-Dowel-Scan Pilot Implementation https://rip.trb.org/View/2673060 Tue, 24 Feb 2026 15:05:02 GMT https://rip.trb.org/View/2673060 Evaluation of Ride Quality and Tining/Finishing Practices for Concrete Pavements https://rip.trb.org/View/2671982 Wed, 18 Feb 2026 11:18:56 GMT https://rip.trb.org/View/2671982 Evaluation of Longitudinal Joint Densities of Asphalt Pavements in Kansas https://rip.trb.org/View/2652473 Tue, 13 Jan 2026 15:50:31 GMT https://rip.trb.org/View/2652473 Develop Best Practice to Improve CRCP Performance near Transverse Construction Joints https://rip.trb.org/View/2652074 Fri, 09 Jan 2026 16:35:38 GMT https://rip.trb.org/View/2652074 Sustainable Anti-Icing Solutions Reducing Concrete Damage with Organic-based Agents https://rip.trb.org/View/2640693 Tue, 16 Dec 2025 09:28:34 GMT https://rip.trb.org/View/2640693 Develop Heavy Duty Intersection Designs with High Performance Graded (HPG) Binder or Suitable Asphalt Mixtures https://rip.trb.org/View/2614514 Tue, 28 Oct 2025 10:52:22 GMT https://rip.trb.org/View/2614514 Tools to Improve the Durability of Asphalt Pavements https://rip.trb.org/View/2607896 Wed, 08 Oct 2025 11:34:56 GMT https://rip.trb.org/View/2607896 Determining NM Harvested Fly Ash Quality for Deployment in Durable Concrete Mix https://rip.trb.org/View/2582990 Tue, 05 Aug 2025 16:28:00 GMT https://rip.trb.org/View/2582990 Steel-free Sinusoidal Joints to Support North Carolina Concrete Airport Pavements https://rip.trb.org/View/2563768 Fri, 13 Jun 2025 12:32:16 GMT https://rip.trb.org/View/2563768 Performance Engineered Mix-Design/Specification Thresholds and Performance Prediction Methodology for Concrete Pavement https://rip.trb.org/View/2563026 Tue, 10 Jun 2025 07:46:09 GMT https://rip.trb.org/View/2563026 Finite Element Method (FEM) Matrix Study for Rapid Travel Profiler Curl/Warp Correlations https://rip.trb.org/View/2562306 Fri, 06 Jun 2025 15:17:39 GMT https://rip.trb.org/View/2562306 Slab Warping Prediction for Concrete Pavements https://rip.trb.org/View/2558419 Mon, 26 May 2025 22:25:46 GMT https://rip.trb.org/View/2558419 Quantify the effect of re-carbonation during the use-phase and end-of-life of concrete pavements https://rip.trb.org/View/2495001 Fri, 31 Jan 2025 16:36:28 GMT https://rip.trb.org/View/2495001