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/ OpenRoad Link: A Public-Private Data Exchange for Safer, Smarter Trucking https://rip.trb.org/View/2646948 Tue, 06 Jan 2026 08:59:12 GMT https://rip.trb.org/View/2646948 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 Likelihood of Unplanned Bridge Posting and Closing https://rip.trb.org/View/2558386 Wed, 28 May 2025 14:04:00 GMT https://rip.trb.org/View/2558386 Enhancing Traffic Delay Prediction Utilizing Data-Driven Techniques https://rip.trb.org/View/2485374 Fri, 03 Jan 2025 16:08:01 GMT https://rip.trb.org/View/2485374 Merging Implementation Criteria https://rip.trb.org/View/2344446 Thu, 22 Feb 2024 17:56:59 GMT https://rip.trb.org/View/2344446 Effectiveness of NCDOT's Dynamic Zipper Merge System https://rip.trb.org/View/2232721 Thu, 24 Aug 2023 14:26:20 GMT https://rip.trb.org/View/2232721 Urban Work Zone User Impacts https://rip.trb.org/View/2151381 Wed, 12 Apr 2023 19:42:37 GMT https://rip.trb.org/View/2151381 Best Practices for MOT on Interstate Pavement Rehabilitation Projects https://rip.trb.org/View/2039846 Wed, 12 Oct 2022 12:57:50 GMT https://rip.trb.org/View/2039846 Monitoring of Illegal Removal of Road Barricades using Intelligent Transportation Systems in Connected and Non-Connected Environments https://rip.trb.org/View/1923099 Sun, 06 Mar 2022 14:58:10 GMT https://rip.trb.org/View/1923099 Evaluation of the Driveway Assistance Device (DAD) Systems in One-Lane Two-Way Work Zone https://rip.trb.org/View/1741272 Fri, 25 Sep 2020 15:18:31 GMT https://rip.trb.org/View/1741272 SPR-4513: Determining Optimal Traffic Opening Time through Concrete Strength Monitoring – Wireless Sensing https://rip.trb.org/View/1718347 Mon, 06 Jul 2020 08:59:48 GMT https://rip.trb.org/View/1718347 Evaluating the Construction Cost and Schedule Impacts of SCDOT's Traffic Control Restrictions https://rip.trb.org/View/1691996 Mon, 09 Mar 2020 08:00:59 GMT https://rip.trb.org/View/1691996 SPR-4409: Safety, Mobility, and Cost Benefits of Closing One Direction of Interstate in Rural Areas During Construction Work https://rip.trb.org/View/1664492 Tue, 05 Nov 2019 13:43:47 GMT https://rip.trb.org/View/1664492 Impacts of Connected Vehicles and Automated Vehicles on State and Local Transportation Agencies--Task-Order Support. Preparing Transportation Agencies for Connected and Automated Vehicles in Work Zones https://rip.trb.org/View/1656027 Tue, 01 Oct 2019 15:13:24 GMT https://rip.trb.org/View/1656027 Selecting the Most Feasible Construction Phasing Plans for Urban Highway Rehabilitation https://rip.trb.org/View/1644230 Mon, 05 Aug 2019 20:33:33 GMT https://rip.trb.org/View/1644230