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/ Comparative Assessment of AERMOD v24142 with MOVES 5.0: Source Type Performance and Dispersion Model Sensitivity https://rip.trb.org/View/2720326 Wed, 01 Jul 2026 16:22:08 GMT https://rip.trb.org/View/2720326 Risk Evaluation of Transportation Systems to Tornadoes to Facilitate SAFE Digital Twin Development https://rip.trb.org/View/2703879 Mon, 18 May 2026 17:13:44 GMT https://rip.trb.org/View/2703879 Estimating Environmental Load Demands Considering Weather Extremes to Enhance Resiliency of Oklahoma Bridges https://rip.trb.org/View/2633314 Tue, 02 Dec 2025 16:20:21 GMT https://rip.trb.org/View/2633314 Understanding Moving/Damage Mechanism of Vehicles under Tornadoes for Enhancing Vehicle/Driver Safety https://rip.trb.org/View/2627651 Fri, 21 Nov 2025 14:07:30 GMT https://rip.trb.org/View/2627651 An Innovative Technology To Prevent Wind-Induced Fatigue Cracks In The Astoria-Megler Bridge https://rip.trb.org/View/2594025 Thu, 28 Aug 2025 15:43:01 GMT https://rip.trb.org/View/2594025 Durability and Effectiveness Analysis of Solar and Wind-Powered Cathodic Protection https://rip.trb.org/View/2381670 Mon, 03 Jun 2024 14:28:46 GMT https://rip.trb.org/View/2381670 Evaluation and Forecasting of Winter Road Conditions Associated with Blowing Snow for the Wyoming Highway System https://rip.trb.org/View/2055961 Thu, 03 Nov 2022 14:21:01 GMT https://rip.trb.org/View/2055961 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 A Dynamic Hurricane Risk Modeling Framework to Improve Bridge Safety under Changing Climate https://rip.trb.org/View/1945928 Sat, 30 Apr 2022 11:46:47 GMT https://rip.trb.org/View/1945928 Wind Turbulence-Structure Interaction and Aeroelastic Instability for Long-Span Flexible Girder Systems https://rip.trb.org/View/1877211 Wed, 08 Sep 2021 17:17:36 GMT https://rip.trb.org/View/1877211 Understanding of Bridge Vulnerability to Climate Change Enables Pro-active Adaptation Measures https://rip.trb.org/View/1762378 Thu, 07 Jan 2021 13:44:38 GMT https://rip.trb.org/View/1762378 Investigation of Wind Effects on Bridges Induced by Tornadoes for Tornado-Resistant Design – Phase II https://rip.trb.org/View/1685042 Mon, 21 Sep 2020 16:25:13 GMT https://rip.trb.org/View/1685042 Initial Analytical Investigation of Cantilever and Butterfly Steel Overhead Sign Trusses with Respect to Remaining Fatigue Life https://rip.trb.org/View/1736392 Tue, 01 Sep 2020 13:15:44 GMT https://rip.trb.org/View/1736392 Structural Assessment of Maryland Sign Structures based on AASHTO LTS‐ 6 Strength and Fatigue Criteria https://rip.trb.org/View/1641761 Thu, 01 Aug 2019 09:37:07 GMT https://rip.trb.org/View/1641761 Investigation of Wind Effects on Bridges Induced by Tornadoes for Tornado-Resistance Design – Phase I https://rip.trb.org/View/1582154 Wed, 06 Feb 2019 18:00:56 GMT https://rip.trb.org/View/1582154