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 Enhanced Understanding of Hot Mix Asphalt (HMA) https://rip.trb.org/View/2731920 Fri, 17 Jul 2026 13:08:30 GMT https://rip.trb.org/View/2731920 Developing a Balanced Mix Design (BMD) Framework for Low-Volume Surface Mixtures https://rip.trb.org/View/2730683 Thu, 16 Jul 2026 07:52:26 GMT https://rip.trb.org/View/2730683 Artificial Intelligence for Pavement Condition Assessment from 2D/3D Surface Images https://rip.trb.org/View/2727389 Fri, 10 Jul 2026 17:50:55 GMT https://rip.trb.org/View/2727389 Designing and Constructing Permanent Stable Foundation Layers in Areas of Sulfate Rich Soils https://rip.trb.org/View/2727387 Fri, 10 Jul 2026 16:37:15 GMT https://rip.trb.org/View/2727387 Implementation of Seal Coat Project Selection Guidelines https://rip.trb.org/View/2727313 Fri, 10 Jul 2026 12:40:25 GMT https://rip.trb.org/View/2727313 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 Effectiveness of IDEAL-RT Test in Assessing Rutting Resistance of NC Asphalt Mixtures https://rip.trb.org/View/2726545 Thu, 09 Jul 2026 08:35:20 GMT https://rip.trb.org/View/2726545 Verification and Implementation of Production-Level Long-Term Durability Assessment for Asphalt Mixtures https://rip.trb.org/View/2726544 Thu, 09 Jul 2026 08:06:36 GMT https://rip.trb.org/View/2726544 Best Practice for Seal Coating & Pavement Markings with Rumble/Mumble Strips https://rip.trb.org/View/2725884 Wed, 08 Jul 2026 17:15:02 GMT https://rip.trb.org/View/2725884 Developing Guidance on the Safety Performance of Edge Line Pavement Markers and Guardrail Delineations on Rural Oregon Roads https://rip.trb.org/View/2724855 Wed, 08 Jul 2026 15:06:03 GMT https://rip.trb.org/View/2724855 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 Overpredicted Resistances of Non-Displacement Piles in Sands Using Static Analysis Methods https://rip.trb.org/View/2720554 Tue, 30 Jun 2026 15:40:54 GMT https://rip.trb.org/View/2720554