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/ Improving Crash Data for Active Transportation Users https://rip.trb.org/View/2701260 Tue, 12 May 2026 15:48:07 GMT https://rip.trb.org/View/2701260 Secure Multi-Modal Transportation Artificial Intelligence (AI) at Run-Time https://rip.trb.org/View/2689389 Tue, 28 Apr 2026 15:43:28 GMT https://rip.trb.org/View/2689389 Monitoring Active Transportation Demand and Safety with Computer Vision https://rip.trb.org/View/2696847 Tue, 28 Apr 2026 11:05:10 GMT https://rip.trb.org/View/2696847 Optimizing External Human-Machine Interfaces (eHMIs) Designs in Autonomous Vehicles to Improve Communication with Drivers and Bicyclists https://rip.trb.org/View/2691668 Sun, 12 Apr 2026 23:39:01 GMT https://rip.trb.org/View/2691668 Modeling Bicyclist Behavioral Patterns and Multi-Faceted Decision-Making Strategies in Urban Settings with Limited Infrastructure: Guidance for Future Development https://rip.trb.org/View/2691667 Sun, 12 Apr 2026 23:34:35 GMT https://rip.trb.org/View/2691667 What Makes Complete Streets Projects Work? https://rip.trb.org/View/2690983 Thu, 09 Apr 2026 14:32:57 GMT https://rip.trb.org/View/2690983 Utility of Improving Nonmotorized Volume Forecasts for Bike Infrastructure https://rip.trb.org/View/2681257 Tue, 17 Mar 2026 09:48:42 GMT https://rip.trb.org/View/2681257 VISIAM (Visual Street Index for Active Mobility): An AI-Based Tool for Assessing Bikeability and Walkability of Streets https://rip.trb.org/View/2680127 Wed, 11 Mar 2026 15:15:43 GMT https://rip.trb.org/View/2680127 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 AI-Enabled Vision System for Intersection Analytics https://rip.trb.org/View/2673053 Tue, 24 Feb 2026 15:00:25 GMT https://rip.trb.org/View/2673053 Enhancing Utah's Rest Area Safety Through AI-Based Near-Miss Detection and Risk Mapping https://rip.trb.org/View/2672765 Sun, 22 Feb 2026 10:38:34 GMT https://rip.trb.org/View/2672765 Driver to Non-Driver Transitions: Related Health, Mobility and Safety Outcomes https://rip.trb.org/View/2671991 Wed, 18 Feb 2026 11:39:50 GMT https://rip.trb.org/View/2671991 Micromobility Decision-Making Atlas https://rip.trb.org/View/2669653 Sun, 15 Feb 2026 16:30:25 GMT https://rip.trb.org/View/2669653 Real-time Pedestrian Safety and Risk Exposure using Real-time Vehicle Activity and Fleet Composition https://rip.trb.org/View/2669652 Sun, 15 Feb 2026 16:27:33 GMT https://rip.trb.org/View/2669652 Toward Smarter Mobility: AI-Powered Safety Insights for AVs and Vulnerable Road Users https://rip.trb.org/View/2669549 Thu, 12 Feb 2026 15:28:23 GMT https://rip.trb.org/View/2669549