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/ Evaluating User Acceptance and Effectiveness of Cognitive Measurements and Intervention for Shared Autonomy https://rip.trb.org/View/2690985 Thu, 09 Apr 2026 14:23:07 GMT https://rip.trb.org/View/2690985 Ensuring PNT Resiience https://rip.trb.org/View/2676001 Mon, 02 Mar 2026 19:15:21 GMT https://rip.trb.org/View/2676001 Weather Radar Augmented Positioning (WRAP) Technology for Aerial Vehicles https://rip.trb.org/View/2675937 Mon, 02 Mar 2026 15:37:07 GMT https://rip.trb.org/View/2675937 Safe and Personalized Control of Autonomous Vehicles with On-Board Vision Language Models: System Design and Real-World Validation https://rip.trb.org/View/2625313 Thu, 13 Nov 2025 15:43:04 GMT https://rip.trb.org/View/2625313 Navigation System for Snowplows in Low Visibility Situations https://rip.trb.org/View/2344960 Tue, 27 Feb 2024 19:22:40 GMT https://rip.trb.org/View/2344960 R-PNT Virtual Conflict Simulation https://rip.trb.org/View/2329759 Wed, 31 Jan 2024 15:58:44 GMT https://rip.trb.org/View/2329759 Multi-Vehicle/Infrastructure Jammer/Spoofer Detection and Localization https://rip.trb.org/View/2329757 Wed, 31 Jan 2024 15:39:39 GMT https://rip.trb.org/View/2329757 Radio-Frequency Signal Augmentation to Reduce PNT Jamming and Spoofing Risks https://rip.trb.org/View/2329755 Wed, 31 Jan 2024 15:07:07 GMT https://rip.trb.org/View/2329755 Defending Against GNSS Jamming and Spoofing by Multi-Sensor Integration https://rip.trb.org/View/2329754 Wed, 31 Jan 2024 15:02:17 GMT https://rip.trb.org/View/2329754 Receiver Signal Processing to Resist GNSS Jamming and Spoofing Attacks https://rip.trb.org/View/2329746 Wed, 31 Jan 2024 14:35:09 GMT https://rip.trb.org/View/2329746 GNSS Anti-Jam & Anti-Spoof Antenna Technology for Multimodal Transportation https://rip.trb.org/View/2329726 Wed, 31 Jan 2024 14:12:10 GMT https://rip.trb.org/View/2329726 Administration of Highway and Transportation Agencies. A Framework for Data Exchanges Between Transportation Agencies and Third-Party Mapping Organizations https://rip.trb.org/View/2325858 Wed, 24 Jan 2024 15:38:01 GMT https://rip.trb.org/View/2325858 Transportation Research Synthesis: Public Education on Automated Driver Assist Systems (ADAS) https://rip.trb.org/View/2322583 Tue, 16 Jan 2024 16:55:50 GMT https://rip.trb.org/View/2322583 Towards GNSS-less Navigation: Exploiting Terrestrial and LEO Satellite Signals of Opportunity https://rip.trb.org/View/2321512 Thu, 11 Jan 2024 16:07:04 GMT https://rip.trb.org/View/2321512 Development of Concept Approaches to Assessing ADS Perception Performance and Its Relationship to System Safety Performance. (approved in 2020) https://rip.trb.org/View/2050307 Tue, 25 Oct 2022 10:24:53 GMT https://rip.trb.org/View/2050307