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/ 3D-Printed Architected Concrete Materials https://rip.trb.org/View/2752287 Thu, 13 Aug 2026 15:31:21 GMT https://rip.trb.org/View/2752287 AI-assisted Condition Assessment of Roads https://rip.trb.org/View/2752288 Thu, 13 Aug 2026 15:31:12 GMT https://rip.trb.org/View/2752288 Feasibility Studies of the Conceptual Novel Elevated High-Speed Rail System with a Case Study in Texas https://rip.trb.org/View/2736754 Wed, 29 Jul 2026 14:42:33 GMT https://rip.trb.org/View/2736754 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 Low-Cost AI-Based System for Temporary Traffic Control Review https://rip.trb.org/View/2717331 Tue, 23 Jun 2026 13:44:23 GMT https://rip.trb.org/View/2717331 Advanced Transportation Optimization and Modeling (ATOM) https://rip.trb.org/View/2676009 Tue, 03 Mar 2026 16:42:33 GMT https://rip.trb.org/View/2676009 Advanced InSAR–UAV-LiDAR Flood-Deformation Risk Monitoring for Efficient Mobility https://rip.trb.org/View/2669656 Sun, 15 Feb 2026 16:40:48 GMT https://rip.trb.org/View/2669656 Enabling Mobility of Emergency Medical Service through Connected and Automated Vehicle Preemption https://rip.trb.org/View/2669655 Sun, 15 Feb 2026 16:34:35 GMT https://rip.trb.org/View/2669655 Center for Efficient Mobility (CEM) Innovation Accelerator https://rip.trb.org/View/2636170 Thu, 12 Feb 2026 15:56:30 GMT https://rip.trb.org/View/2636170 Data-driven assessment of rigid pavement vulnerability in Texas coastal regions https://rip.trb.org/View/2663108 Thu, 29 Jan 2026 19:58:17 GMT https://rip.trb.org/View/2663108 Assessment of hydroplaning potential in coastal regions using roadway characteristics and related datasets https://rip.trb.org/View/2663101 Thu, 29 Jan 2026 17:13:08 GMT https://rip.trb.org/View/2663101 Role of emerging transportation technologies and safety initiatives in mitigating crashes in coastal communities https://rip.trb.org/View/2661744 Thu, 29 Jan 2026 16:13:26 GMT https://rip.trb.org/View/2661744 Coastal pavement maintenance and rehabilitation decision making based on both surface and subsurface conditions https://rip.trb.org/View/2662938 Thu, 29 Jan 2026 15:57:56 GMT https://rip.trb.org/View/2662938 Health and Activity Impacts of Student Commute Modes https://rip.trb.org/View/2652176 Tue, 13 Jan 2026 15:25:48 GMT https://rip.trb.org/View/2652176 Transportation and Mental Health in Central Texas Using 211 Call Center Data – An Exploratory Analysis https://rip.trb.org/View/2652177 Tue, 13 Jan 2026 15:19:02 GMT https://rip.trb.org/View/2652177