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/ Intelligent Speed Assistance Guide for State Highway Safety Offices https://rip.trb.org/View/2720300 Thu, 02 Jul 2026 20:16:13 GMT https://rip.trb.org/View/2720300 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 Developing a Nebraska-Specific Evaluation Framework for Superheavy Load Movements on Pavements https://rip.trb.org/View/2689391 Tue, 02 Jun 2026 12:24:39 GMT https://rip.trb.org/View/2689391 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 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 Routing Autonomous Trucks on Dedicated Lanes https://rip.trb.org/View/2676007 Tue, 03 Mar 2026 16:31:39 GMT https://rip.trb.org/View/2676007 Potential Impact of Autonomous Vehicles on Reducing Congestion https://rip.trb.org/View/2676004 Tue, 03 Mar 2026 16:17:48 GMT https://rip.trb.org/View/2676004 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 Emergency Response and Access Mapping for Rural Navajo Communities https://rip.trb.org/View/2658056 Wed, 04 Feb 2026 19:20:18 GMT https://rip.trb.org/View/2658056 Assessing Transportation Infrastructure Exposure to Flooding Using Next-Generation Flood Maps in Eastern Oklahoma https://rip.trb.org/View/2646941 Mon, 05 Jan 2026 23:01:23 GMT https://rip.trb.org/View/2646941 Enhancing Rural Freight Resilience in the Southeastern U.S.: Data-Driven Modeling and Decision Support for Supply Chain Efficiency. https://rip.trb.org/View/2643108 Sat, 20 Dec 2025 17:04:44 GMT https://rip.trb.org/View/2643108 Develop Multi-Modal Maritime-Rail-Roadway Transportation Model for the Texas Inland and Intercoastal Waterways https://rip.trb.org/View/2614515 Tue, 28 Oct 2025 11:09:51 GMT https://rip.trb.org/View/2614515 Evaluating isolated areas, alternative routing, and economic impact for resilient transportation in North Carolina https://rip.trb.org/View/2604572 Tue, 30 Sep 2025 11:13:25 GMT https://rip.trb.org/View/2604572 SPR-5019: Vehicle Moving Pattern Analysis of Road Merge and Split Weaving Areas Involving Highway and Local Streets https://rip.trb.org/View/2576684 Tue, 15 Jul 2025 15:46:36 GMT https://rip.trb.org/View/2576684 Autonomous Electric Ferries (Autoferry) - Low Carbon Connectors - II https://rip.trb.org/View/2548807 Thu, 01 May 2025 15:30:15 GMT https://rip.trb.org/View/2548807