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/ Spun Concrete Poles: Guidelines for Fabrication, Condition Assessment, Repair, and Replacement https://rip.trb.org/View/2562259 Fri, 06 Jun 2025 14:29:41 GMT https://rip.trb.org/View/2562259 CCTV Pole Solar Panel Wrap https://rip.trb.org/View/2483293 Thu, 26 Dec 2024 16:07:01 GMT https://rip.trb.org/View/2483293 Establishing Design Loads, Load Combinations, and Structural Design Methodology for OCS Poles and Foundations https://rip.trb.org/View/2464331 Tue, 26 Nov 2024 05:33:49 GMT https://rip.trb.org/View/2464331 Material and Design Analysis of Bridge Mounted Light Poles for Hurricane Readiness https://rip.trb.org/View/2425081 Tue, 03 Sep 2024 09:02:46 GMT https://rip.trb.org/View/2425081 Examination of Current U.S. and EU Crash Test Evaluation Criteria for Sign and Luminaire Support Structures and Work Zone Devices https://rip.trb.org/View/2381718 Tue, 21 May 2024 16:54:27 GMT https://rip.trb.org/View/2381718 Develop Assessment and Mitigation Guidance for Ancillary Highway Structures with Existing Cracks https://rip.trb.org/View/2256318 Wed, 27 Sep 2023 15:58:27 GMT https://rip.trb.org/View/2256318 Fatigue Resistance of Fluted Lighting Poles https://rip.trb.org/View/2100874 Wed, 18 Jan 2023 11:17:25 GMT https://rip.trb.org/View/2100874 Evaluation of Vibration Techniques for KDOT High Mast Illumination Poles https://rip.trb.org/View/2015222 Tue, 30 Aug 2022 17:01:30 GMT https://rip.trb.org/View/2015222 Computational Fluid Dynamics Investigation of High Mast Illumination Poles: Influence of Light Fixtures https://rip.trb.org/View/2015220 Tue, 30 Aug 2022 16:04:29 GMT https://rip.trb.org/View/2015220 MASH Crashworthiness of Luminaire Poles https://rip.trb.org/View/1854202 Thu, 27 May 2021 19:16:00 GMT https://rip.trb.org/View/1854202 Implementation of MASH Surrogate Test Vehicles for Sign Supports, Breakaway Poles, and Work Zone Traffic Control Devices https://rip.trb.org/View/1854207 Tue, 25 May 2021 10:58:27 GMT https://rip.trb.org/View/1854207 Crashworthy Foundations for Soil-Embedded Roadside Safety Hardware https://rip.trb.org/View/1740337 Fri, 26 Feb 2021 10:53:51 GMT https://rip.trb.org/View/1740337 Proposed AASHTO Guidelines for Implementation of MASH for Sign Supports, Breakaway Poles, and Work Zone Traffic Control Devices https://rip.trb.org/View/1628627 Wed, 05 Jun 2019 13:29:52 GMT https://rip.trb.org/View/1628627 Evaluation of Light Pole Foundation Embedment https://rip.trb.org/View/1531898 Mon, 13 Aug 2018 18:59:01 GMT https://rip.trb.org/View/1531898 In Service Evaluation of Railroad Signal and Stop Arm Pole Protection https://rip.trb.org/View/1482192 Thu, 07 Sep 2017 16:15:58 GMT https://rip.trb.org/View/1482192