Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Determination of U-Bolt Connection Fatigue Load Capacities in Overhead Sign Support Structures https://rip.trb.org/View/2344946 Tue, 27 Feb 2024 17:19:35 GMT https://rip.trb.org/View/2344946 Analysis of Improvements in the Effectiveness of Speed Feedback Trailers https://rip.trb.org/View/2344449 Thu, 22 Feb 2024 18:28:53 GMT https://rip.trb.org/View/2344449 Usefulness and Reliability of Probe Data when Altering Work Zone Message Signs https://rip.trb.org/View/2344448 Thu, 22 Feb 2024 18:20:06 GMT https://rip.trb.org/View/2344448 Guidance for Incorporating Work Zone Data within Traffic Management Operations https://rip.trb.org/View/2344447 Thu, 22 Feb 2024 18:09:52 GMT https://rip.trb.org/View/2344447 Computer-Vision Model for Estimation of Road Sign Retro-Reflectivity Based on Deep Learning Algorithm and Vehicle Built-in Cameras https://rip.trb.org/View/2338832 Wed, 14 Feb 2024 17:09:30 GMT https://rip.trb.org/View/2338832 User-centered Smart Traffic Sign Development Implementation Study https://rip.trb.org/View/2334802 Mon, 05 Feb 2024 15:50:34 GMT https://rip.trb.org/View/2334802 Mitigation of Cybersecurity Vulnerabilities for Traffic Control Infrastructure https://rip.trb.org/View/2301123 Thu, 30 Nov 2023 10:58:29 GMT https://rip.trb.org/View/2301123 Traffic Control Device Analysis, Testing, and Evaluation Program https://rip.trb.org/View/2256330 Wed, 27 Sep 2023 16:59:47 GMT https://rip.trb.org/View/2256330 Develop Performance of Baseplate Connections in COSS and Traffic Signal Structures https://rip.trb.org/View/2256300 Wed, 27 Sep 2023 15:54:34 GMT https://rip.trb.org/View/2256300 Roadside Safety Device Analysis, Testing, and Evaluation Program https://rip.trb.org/View/2256266 Wed, 27 Sep 2023 15:49:58 GMT https://rip.trb.org/View/2256266 Creating Effective Graphic Changeable Dynamic Message Sign (DMS) Messaging https://rip.trb.org/View/2255784 Tue, 26 Sep 2023 17:11:34 GMT https://rip.trb.org/View/2255784 Effectiveness of Speed Reduction in Work Zones https://rip.trb.org/View/2255669 Tue, 26 Sep 2023 16:46:26 GMT https://rip.trb.org/View/2255669 Efficacy of Speed Warning Technologies https://rip.trb.org/View/2239053 Fri, 01 Sep 2023 11:47:03 GMT https://rip.trb.org/View/2239053 Evaluation of Retroreflective Sign Sheeting Materials by Accelerated Laboratory Weathering https://rip.trb.org/View/2224451 Thu, 03 Aug 2023 15:31:43 GMT https://rip.trb.org/View/2224451 Accelerated Construction of the Highway Steel Overhead Sign Truss (SOST) through the Implementation of U-Bolt Connections https://rip.trb.org/View/2221094 Fri, 28 Jul 2023 09:02:22 GMT https://rip.trb.org/View/2221094