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/ Evaluation of Traffic Speed Deflectometer Data (TSD) for Potential Use in Michigan https://rip.trb.org/View/2731922 Fri, 17 Jul 2026 13:59:29 GMT https://rip.trb.org/View/2731922 Enhanced Understanding of Concrete Pavement Performance https://rip.trb.org/View/2731921 Fri, 17 Jul 2026 13:20:05 GMT https://rip.trb.org/View/2731921 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 Development of a Job Mix Formula and QC/QA Framework for NCDOT Chip Seals https://rip.trb.org/View/2726547 Thu, 09 Jul 2026 08:42:48 GMT https://rip.trb.org/View/2726547 SPR-5041: SPR-4517 Implementation: Wireless Data Collection and Model Development https://rip.trb.org/View/2709427 Wed, 03 Jun 2026 13:23:17 GMT https://rip.trb.org/View/2709427 Enhancing Transportation Safety through Moisture Control Using Wicking Geotextiles in Pavement Systems https://rip.trb.org/View/2703923 Wed, 20 May 2026 09:19:26 GMT https://rip.trb.org/View/2703923 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 Construction & Early Performance of Rapid Strength Cement Concrete Mixture in MnROAD Test Cell 2437 https://rip.trb.org/View/2703791 Fri, 15 May 2026 16:40:13 GMT https://rip.trb.org/View/2703791 Effects of Target Air Voids on Hot Mix Asphalt (HMA) Performance Tests https://rip.trb.org/View/2698280 Fri, 01 May 2026 09:19:25 GMT https://rip.trb.org/View/2698280 Field Performance Study of Plastics-Amended Asphalt for Roadway Construction https://rip.trb.org/View/2696020 Thu, 23 Apr 2026 16:48:47 GMT https://rip.trb.org/View/2696020 National Road Research Alliance (Phase-3) https://rip.trb.org/View/2678150 Fri, 06 Mar 2026 13:10:59 GMT https://rip.trb.org/View/2678150 Pavement Surface Properties Consortium Phase IV - Improving Safety and Saving Lives through Pavement Surface Optimization https://rip.trb.org/View/2672598 Thu, 19 Feb 2026 18:59:56 GMT https://rip.trb.org/View/2672598 Investigation of Reflective Cracking in Wisconsin https://rip.trb.org/View/2671979 Wed, 18 Feb 2026 11:13:16 GMT https://rip.trb.org/View/2671979 Design Requirements for High Traffic Asphalt Mixes to Ensure Pavement Performance https://rip.trb.org/View/2671978 Wed, 18 Feb 2026 11:11:29 GMT https://rip.trb.org/View/2671978 Incorporating Pavement Structural Capacity into TxDOT Pavement Management Information System https://rip.trb.org/View/2666837 Tue, 10 Feb 2026 14:45:51 GMT https://rip.trb.org/View/2666837