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-5031: Developing INDOT Road Crack Image Datasets for Advanced Analytics Research https://rip.trb.org/View/2691526 Wed, 06 May 2026 14:55:27 GMT https://rip.trb.org/View/2691526 Improve Modulus Determination Using Falling Weight Deflectometer https://rip.trb.org/View/2553185 Wed, 14 May 2025 10:13:41 GMT https://rip.trb.org/View/2553185 LTPP Data Analysis: Feasibility of Using LTPP Data to Improve Use of FWD and Longitudinal Profile Measurements https://rip.trb.org/View/2458789 Mon, 18 Nov 2024 19:44:21 GMT https://rip.trb.org/View/2458789 SPR-4916: Approaches to Enhance Pavement Condition Evaluation Based on Falling Weight Deflectometer (FWD) Data https://rip.trb.org/View/2422614 Tue, 27 Aug 2024 14:08:01 GMT https://rip.trb.org/View/2422614 Evaluation of Spring Load Restriction Removal Protocols https://rip.trb.org/View/2342047 Mon, 19 Feb 2024 19:16:14 GMT https://rip.trb.org/View/2342047 Rapid Assessment of Network-Level Pavement Conditions Using Novel Tools https://rip.trb.org/View/2291289 Wed, 15 Nov 2023 21:46:41 GMT https://rip.trb.org/View/2291289 Integration and Deployment of Novel Tools for Rapid Assessment of Pavement Conditions and Remaining Life https://rip.trb.org/View/2265856 Sat, 14 Oct 2023 07:22:37 GMT https://rip.trb.org/View/2265856 FWD Testing and Backcalculation of Rubblized and Fractured Slab PCC Pavement Moduli https://rip.trb.org/View/2262770 Fri, 06 Oct 2023 10:57:13 GMT https://rip.trb.org/View/2262770 Develop ELMOD Backcalculation User Manual for MDOT https://rip.trb.org/View/2262763 Fri, 06 Oct 2023 10:46:28 GMT https://rip.trb.org/View/2262763 SPR-4820: Enhanced Methods to Evaluate Flexible Pavement Moisture Damage and Interface Bonding Conditions Using the 3D Ground Penetrating Radar and Falling Weight Deflectometer https://rip.trb.org/View/2251472 Thu, 21 Sep 2023 16:35:01 GMT https://rip.trb.org/View/2251472 SPR-4717: Assessment of Temperature Correction Factors for Falling Weight Deflectometer Deflections https://rip.trb.org/View/2083670 Tue, 13 Dec 2022 10:37:17 GMT https://rip.trb.org/View/2083670 SPR-4619: Back-calculated Dynamic Modulus Master Curve from the Time Histories of Falling Weight Deflectometer Surface Deflections https://rip.trb.org/View/1879925 Thu, 23 Sep 2021 15:18:02 GMT https://rip.trb.org/View/1879925 LTPP Data Analysis: Guidelines to Improve Use of FWD and Longitudinal Profile Measurements https://rip.trb.org/View/1841151 Mon, 15 Mar 2021 21:16:22 GMT https://rip.trb.org/View/1841151 Expanding the Concept of Comprehensive Area Ratio Parameter to the South-Central States: Towards Simplifying the Structural Evaluation of Flexible Pavements at the Network Level https://rip.trb.org/View/1751170 Wed, 11 Nov 2020 09:13:38 GMT https://rip.trb.org/View/1751170 SPR-4521: Comprehensive Pavement Patching Tools and Web-based Software for Pavement Condition Assessment and Visualization https://rip.trb.org/View/1736382 Tue, 01 Sep 2020 11:09:18 GMT https://rip.trb.org/View/1736382