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/ Advancing Pollinator Habitat Monitoring through Remote Sensing on Nebraska Roadsides https://rip.trb.org/View/2689394 Fri, 05 Jun 2026 12:41:32 GMT https://rip.trb.org/View/2689394 SPR-5042: Performance and Safety Evaluation of Truck Mounted Debris Clearing Systems https://rip.trb.org/View/2709430 Wed, 03 Jun 2026 13:31:12 GMT https://rip.trb.org/View/2709430 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 Developing a Standardized Framework for Real-Time Freight-Specific Traveler Information and Route Restrictions for Commercial Motor Vehicle Operators; Truck Parking Data Exchange Standards https://rip.trb.org/View/2709247 Tue, 02 Jun 2026 14:33:24 GMT https://rip.trb.org/View/2709247 Low-Frequency High-Impact Travel for Data Analysis https://rip.trb.org/View/2709248 Tue, 02 Jun 2026 13:56:50 GMT https://rip.trb.org/View/2709248 Scoping Study: Vertical Visibility Constraints -- Vertical Curvature Traffic Control Devices https://rip.trb.org/View/2709249 Tue, 02 Jun 2026 13:49:43 GMT https://rip.trb.org/View/2709249 Research for the AASHTO Standing Committee on Planning. Task 63. Making NAICS (North American Industrial Classification System) Work for Transportation https://rip.trb.org/View/2706284 Wed, 27 May 2026 15:06:13 GMT https://rip.trb.org/View/2706284 Damage Progression of Highway Bridges and Operational Vibration-Waveforms-Phase-2 https://rip.trb.org/View/2706038 Sat, 23 May 2026 18:06:49 GMT https://rip.trb.org/View/2706038 Phase II: After Study Evaluation of Interstate 4 (I-4) Florida's Regional Advanced Mobility Elements (FRAME) Project (After Analysis) https://rip.trb.org/View/2706007 Fri, 22 May 2026 09:10:26 GMT https://rip.trb.org/View/2706007 How Can NMDOT Use TSD Data to Support Pavement Design https://rip.trb.org/View/2704033 Wed, 20 May 2026 11:15:23 GMT https://rip.trb.org/View/2704033 Investigating the Critical Success Factors for Technology Adoption in Transportation Safety Systems https://rip.trb.org/View/2703924 Wed, 20 May 2026 09:18:35 GMT https://rip.trb.org/View/2703924 National Accessibility Evaluation Phase II https://rip.trb.org/View/2703751 Fri, 15 May 2026 15:29:13 GMT https://rip.trb.org/View/2703751 Assessing the Reliability and Usability of Mobile Ticketing App Data for Transit Analytics: A Case Study of Unitrans in Davis, California https://rip.trb.org/View/2702581 Thu, 14 May 2026 16:51:19 GMT https://rip.trb.org/View/2702581 Evaluating Behavioral Responses to Mobility Credits and Ridehailing Integration in a Digital Mobility System https://rip.trb.org/View/2702725 Thu, 14 May 2026 16:36:40 GMT https://rip.trb.org/View/2702725 How Much Do Attitudinal Variables Improve Travel Demand Models? Evaluation Using an Overlap Sample from an Attitude-rich Survey and the 2017 National Household Travel Survey https://rip.trb.org/View/2702856 Thu, 14 May 2026 15:45:54 GMT https://rip.trb.org/View/2702856