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/ Agentic LLM-powered Synthetic Transportation Agent Response System (AL-STARS) https://rip.trb.org/View/2703689 Fri, 15 May 2026 09:28:30 GMT https://rip.trb.org/View/2703689 Artificial Intelligence (AI) Technologies for Data-Driven Bridge Management https://rip.trb.org/View/2703687 Fri, 15 May 2026 09:24:49 GMT https://rip.trb.org/View/2703687 Statistical Evaluation of Illinois Modified AASHTO T161 Freeze–Thaw Testing Following Laboratory Relocation https://rip.trb.org/View/2686616 Wed, 01 Apr 2026 09:41:33 GMT https://rip.trb.org/View/2686616 IDOT, FHWA, USFWS, USACE Aquatic Species Bridge Replacement Programmatic Agreement https://rip.trb.org/View/2611029 Thu, 16 Oct 2025 09:15:35 GMT https://rip.trb.org/View/2611029 Synthesis of Capabilities, Opportunities, and Research Needs in UAS Technology for High-Precision Bridge Inspection https://rip.trb.org/View/2600574 Tue, 16 Sep 2025 10:43:27 GMT https://rip.trb.org/View/2600574 Concrete Strength Sensing Using REBEL Sensors https://rip.trb.org/View/2595171 Tue, 02 Sep 2025 11:41:16 GMT https://rip.trb.org/View/2595171 Facilitating Further Scalability and Field Implementation of Illinois-Specific Nonproprietary UHPC Mixes https://rip.trb.org/View/2593924 Thu, 28 Aug 2025 10:11:13 GMT https://rip.trb.org/View/2593924 Laws, Ordinances, and Practices Related to All-Terrain Vehicles and Utility Task Vehicles https://rip.trb.org/View/2593923 Thu, 28 Aug 2025 10:08:11 GMT https://rip.trb.org/View/2593923 Replacing the Illinois Traffic Projection Tool https://rip.trb.org/View/2593922 Thu, 28 Aug 2025 10:05:50 GMT https://rip.trb.org/View/2593922 Turn-on-Red Prohibitions for Dual Right-Turn Lanes https://rip.trb.org/View/2593920 Thu, 28 Aug 2025 09:56:04 GMT https://rip.trb.org/View/2593920 IL-Pave: Development of an Integrated Tool to Optimize Pavement Energy and Cost https://rip.trb.org/View/2589089 Thu, 28 Aug 2025 09:48:01 GMT https://rip.trb.org/View/2589089 Seismic Ground Motions for IDOT Geotechnical Assets https://rip.trb.org/View/2593917 Thu, 28 Aug 2025 09:41:56 GMT https://rip.trb.org/View/2593917 Economic, Environmental and Equity Outcomes Assessment of the Electric Vehicle Charging Network Expansion in Illinois https://rip.trb.org/View/2570591 Mon, 30 Jun 2025 17:04:32 GMT https://rip.trb.org/View/2570591 Advancing Self-Explaining Streets Phase 2: Evaluating the Use of Roadway Design Elements and Target Speeds to Reduce Operating Speed https://rip.trb.org/View/2570590 Mon, 30 Jun 2025 17:01:59 GMT https://rip.trb.org/View/2570590 Update of Traffic Factor Equations for IDOT Mechanistic-Empirical Pavement Design https://rip.trb.org/View/2486928 Mon, 06 Jan 2025 12:32:41 GMT https://rip.trb.org/View/2486928