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/ Improve MDOT's Understanding of the Acceptance and Performance of Riprap https://rip.trb.org/View/2731977 Fri, 17 Jul 2026 15:21:06 GMT https://rip.trb.org/View/2731977 Guidelines and Best Practices for Determining the Life Cycle Cost of Various Superstructure Types https://rip.trb.org/View/2731917 Fri, 17 Jul 2026 10:05:08 GMT https://rip.trb.org/View/2731917 SPR-5132: Implementation of Proven CV Applications on the Local System LRS https://rip.trb.org/View/2727695 Wed, 15 Jul 2026 11:40:27 GMT https://rip.trb.org/View/2727695 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 Empirical Modeling for Improved Ground Failure Analysis https://rip.trb.org/View/2726232 Wed, 08 Jul 2026 17:38:31 GMT https://rip.trb.org/View/2726232 Leveraging Existing Vegetated Roadside Areas for Efficient Stormwater Management https://rip.trb.org/View/2726138 Wed, 08 Jul 2026 17:25:51 GMT https://rip.trb.org/View/2726138 Statewide Multimodal Destination Access Methods and Demographic Analysis https://rip.trb.org/View/2725639 Wed, 08 Jul 2026 16:48:29 GMT https://rip.trb.org/View/2725639 Utilizing Public Perceptions to Inform Successful Roadside Vegetation Planning and Management https://rip.trb.org/View/2725587 Wed, 08 Jul 2026 16:47:32 GMT https://rip.trb.org/View/2725587 Development of Methods to Produce High-Quality Household-Based VMT Dataset https://rip.trb.org/View/2724823 Wed, 08 Jul 2026 14:46:38 GMT https://rip.trb.org/View/2724823 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 2026 Employee Survey https://rip.trb.org/View/2719330 Thu, 25 Jun 2026 13:01:39 GMT https://rip.trb.org/View/2719330 Building a Sustainable Workforce: Enhancing Employee Retention at GDOT https://rip.trb.org/View/2719324 Thu, 25 Jun 2026 11:39:07 GMT https://rip.trb.org/View/2719324 Roadmap for Transportation Systems Digital Infrastructure https://rip.trb.org/View/2719308 Thu, 25 Jun 2026 09:34:49 GMT https://rip.trb.org/View/2719308 SPR 783 Contractor Performance Evaluation 2.0 https://rip.trb.org/View/2719304 Thu, 25 Jun 2026 08:59:52 GMT https://rip.trb.org/View/2719304 SPR 782 Improving Worker Safety in Work Zones with Effective Proximity Sensing Technology https://rip.trb.org/View/2719302 Thu, 25 Jun 2026 08:57:43 GMT https://rip.trb.org/View/2719302