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 Traveler Experience Via Alternatives to Roadway/Railway Grade Crossings https://rip.trb.org/View/2646961 Tue, 06 Jan 2026 17:10:14 GMT https://rip.trb.org/View/2646961 Developing a Guideline for Selecting Appropriate Treatment Options for Approaches with Two Left Turn Lane https://rip.trb.org/View/2601432 Thu, 18 Sep 2025 00:53:20 GMT https://rip.trb.org/View/2601432 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 Integrating Progression Band and Delay Optimization for Arterials with Unbalanced Directional Traffic https://rip.trb.org/View/2343710 Thu, 22 Feb 2024 15:54:19 GMT https://rip.trb.org/View/2343710 Evaluation of MDOT's Methodology for Estimating Work Zone User Delay Times https://rip.trb.org/View/2122507 Mon, 31 Jul 2023 11:40:47 GMT https://rip.trb.org/View/2122507 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 Optimizing CAV platoon movements in a signalized road network for travel and energy efficiency https://rip.trb.org/View/1716531 Thu, 25 Jun 2020 13:53:59 GMT https://rip.trb.org/View/1716531 Development of a Traffic Management Decision Support Tool (DST) for Freeway Incident Traffic Management (FITM) Plan Deployment – Phase 2: An enhanced DST-I95, including I495, I695, I70, US29 https://rip.trb.org/View/1715293 Fri, 19 Jun 2020 13:33:28 GMT https://rip.trb.org/View/1715293 SPR-4405: Synthesis Study on Best Practices for Mapping and Coordinating Detours for Maintenance of Traffic, including Risk Assessment/Management for Duration of Traffic Control Activities https://rip.trb.org/View/1664490 Tue, 05 Nov 2019 13:38:03 GMT https://rip.trb.org/View/1664490 Evaluation of Factors Influencing Roundabout Capacity https://rip.trb.org/View/1601131 Fri, 19 Apr 2019 16:11:37 GMT https://rip.trb.org/View/1601131 An Integrated Intelligent Intersection Control System (IIICS) for Safety Improvement and Delay Minimization https://rip.trb.org/View/1592836 Fri, 15 Mar 2019 14:48:15 GMT https://rip.trb.org/View/1592836 Estimating the Monetary Benefits of Reducing Delays on Heavily Trafficked Truck Freight Corridors in Georgia https://rip.trb.org/View/1474317 Thu, 13 Jul 2017 01:01:05 GMT https://rip.trb.org/View/1474317 Promoting Economic Development in the Baton Rouge Area, LA: Improving the Performance of the Transportation System through Supply-Oriented, Demand-Oriented and Economic Measures for Mitigating Traffic Congestion https://rip.trb.org/View/1466906 Sun, 21 May 2017 10:29:02 GMT https://rip.trb.org/View/1466906 Shifting from LOS to VMT as the Measure of Transportation Impacts: Evaluating Prospects for Implementing Senate Bill 743 https://rip.trb.org/View/1459132 Wed, 08 Mar 2017 17:28:45 GMT https://rip.trb.org/View/1459132 Reducing Incident-Induced Emissions and Energy Use in Transportation: Use of Social Media Feeds as an Incident Management Support Tool https://rip.trb.org/View/1446625 Tue, 24 Jan 2017 11:30:50 GMT https://rip.trb.org/View/1446625