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/ Smart Drop-Shipping and Stocking Decision Support System https://rip.trb.org/View/2703794 Sat, 16 May 2026 11:49:44 GMT https://rip.trb.org/View/2703794 New Models and Solutions to Vehicle Routing with Cardinality and Distance Constraints https://rip.trb.org/View/2703788 Sat, 16 May 2026 11:45:53 GMT https://rip.trb.org/View/2703788 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 Exploring the Relationships Among Perceived Safety, Perceived Accessibility, and Travel Behavior https://rip.trb.org/View/2702636 Thu, 14 May 2026 16:47:22 GMT https://rip.trb.org/View/2702636 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 Traveler Information for Rural Maryland https://rip.trb.org/View/2701236 Wed, 13 May 2026 09:12:24 GMT https://rip.trb.org/View/2701236 Evaluate the Safety Effects of Multiple Vehicle Synchronized Warning Lights in ODOT Work Zones https://rip.trb.org/View/2701274 Tue, 12 May 2026 10:43:15 GMT https://rip.trb.org/View/2701274 Which Way Forward? Learning from Global Informal Transport Networks to Inform Microtransit Services in California https://rip.trb.org/View/2695811 Thu, 23 Apr 2026 18:05:53 GMT https://rip.trb.org/View/2695811 Corridor Speed Management Strategies Toolbox https://rip.trb.org/View/2693730 Thu, 16 Apr 2026 10:46:12 GMT https://rip.trb.org/View/2693730 An Efficient Algorithm for Solving Collaborative Truck-Drone Parcel Delivery System Considering En-Route Launching and Recovery Points https://rip.trb.org/View/2692315 Tue, 14 Apr 2026 12:15:01 GMT https://rip.trb.org/View/2692315 Transportation Corridor Fuel Consumption Calculator (TCFCC) Version 5.0 https://rip.trb.org/View/2692310 Tue, 14 Apr 2026 12:07:08 GMT https://rip.trb.org/View/2692310 Enabling Next-Generation Safe, Efficient and Reliable Traffic Signal Management via Advanced Sensing and Foundation Models https://rip.trb.org/View/2691670 Sun, 12 Apr 2026 23:42:56 GMT https://rip.trb.org/View/2691670 Optimizing Last-Mile Delivery Using Micromobility and Autonomous Technologies: A Scalable Framework for Future Logistics Solutions https://rip.trb.org/View/2684210 Wed, 25 Mar 2026 17:38:56 GMT https://rip.trb.org/View/2684210 A Data-driven Approach in Improving Truck Parking Efficiency https://rip.trb.org/View/2684213 Wed, 25 Mar 2026 17:16:25 GMT https://rip.trb.org/View/2684213 Spatial Modeling to support Supply Chain Policymaking across Metropolitan Areas in Tennessee https://rip.trb.org/View/2684214 Wed, 25 Mar 2026 17:11:43 GMT https://rip.trb.org/View/2684214