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/ Developing Data-Based Recommendations for Pedestrian Hybrid Beacons (PHBs) and Midblock Pedestrian Signals (MPSs) Deployment in Nevada https://rip.trb.org/View/2677562 Wed, 04 Mar 2026 14:48:35 GMT https://rip.trb.org/View/2677562 Traffic Control Device Analysis, Testing, and Evaluation Program https://rip.trb.org/View/2676078 Tue, 03 Mar 2026 12:32:22 GMT https://rip.trb.org/View/2676078 AI-Assisted System for Automated Work Zone Monitoring https://rip.trb.org/View/2640702 Tue, 16 Dec 2025 11:24:25 GMT https://rip.trb.org/View/2640702 Develop and Evaluate Long Median Barrier Gate to Assist with Emergency Response https://rip.trb.org/View/2636104 Mon, 08 Dec 2025 09:44:38 GMT https://rip.trb.org/View/2636104 An AI-based Oversize Vehicle Warning System in Smart Work Zone https://rip.trb.org/View/2627406 Thu, 20 Nov 2025 16:26:30 GMT https://rip.trb.org/View/2627406 Optimizing Operation of Diverging Diamond Interchange with Automated Vehicles https://rip.trb.org/View/2625312 Thu, 13 Nov 2025 15:39:35 GMT https://rip.trb.org/View/2625312 Develop Guidance for Enhancing Work Zone Safety in the Construction of Innovative Intersections https://rip.trb.org/View/2614517 Tue, 28 Oct 2025 12:08:30 GMT https://rip.trb.org/View/2614517 Effectiveness and Benefits of Connected Work Zones https://rip.trb.org/View/2603850 Thu, 25 Sep 2025 11:24:20 GMT https://rip.trb.org/View/2603850 Leveraging Connected Vehicle Data for Enhanced Highway Safety Modeling and Decision-Making https://rip.trb.org/View/2596530 Tue, 09 Sep 2025 08:37:57 GMT https://rip.trb.org/View/2596530 Implementation Requirements for Work Zone Intrusion Technologies to Reduce Fatalities https://rip.trb.org/View/2596487 Mon, 08 Sep 2025 11:58:54 GMT https://rip.trb.org/View/2596487 Placement Options for In-street Pedestrian Crossing Signs (R1-6a) https://rip.trb.org/View/2593953 Thu, 28 Aug 2025 12:29:56 GMT https://rip.trb.org/View/2593953 Research and Assessment of Needs for Sign Maintenance https://rip.trb.org/View/2593930 Thu, 28 Aug 2025 11:32:30 GMT https://rip.trb.org/View/2593930 Traffic Control for Work Zones in Alternative Intersections https://rip.trb.org/View/2593855 Wed, 27 Aug 2025 16:13:15 GMT https://rip.trb.org/View/2593855 Assessing the Risk of Runway Incursions at Non-Towered Airports https://rip.trb.org/View/2588328 Tue, 12 Aug 2025 10:28:26 GMT https://rip.trb.org/View/2588328 Evaluating Speed Reduction Techniques in Construction Zones to Improve Safety https://rip.trb.org/View/2582451 Wed, 30 Jul 2025 13:13:48 GMT https://rip.trb.org/View/2582451