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/ Impact Study on Increasing Truck Permit Weight Limits: Infrastructure & Economic Considerations https://rip.trb.org/View/2724819 Wed, 08 Jul 2026 13:35:02 GMT https://rip.trb.org/View/2724819 Developing a Nebraska-Specific Evaluation Framework for Superheavy Load Movements on Pavements https://rip.trb.org/View/2689391 Tue, 02 Jun 2026 12:24:39 GMT https://rip.trb.org/View/2689391 Leading Permitting Practices that Harmonize Enforcement of Divisible Load Permits across Jurisdictions https://rip.trb.org/View/2681239 Tue, 17 Mar 2026 14:58:59 GMT https://rip.trb.org/View/2681239 Development of In-Pavement LFBG Sensors for Vehicle WIM System Measurement and Monitoring in Rural Low-Volume Road Conditions Phase One: Theoretical Research https://rip.trb.org/View/2596477 Mon, 08 Sep 2025 16:01:37 GMT https://rip.trb.org/View/2596477 Assessment of Infrastructure Damage Cost and Compliance of Truck Weight Limit https://rip.trb.org/View/2459071 Thu, 21 Nov 2024 17:05:26 GMT https://rip.trb.org/View/2459071 Best Practices for Oversized/Overweight Vehicles https://rip.trb.org/View/2420004 Thu, 22 Aug 2024 09:37:21 GMT https://rip.trb.org/View/2420004 Synthesis of Information Related to Highway Practices. Topic 56-20. Pavement Design and Evaluation of Low Volume Roads with Heavy Loads https://rip.trb.org/View/2384708 Fri, 31 May 2024 20:08:56 GMT https://rip.trb.org/View/2384708 Impact of WIM-based Direct Enforcement on the Service Life of Bridges https://rip.trb.org/View/2283487 Mon, 30 Oct 2023 22:45:43 GMT https://rip.trb.org/View/2283487 Quantify Bridge and Pavement Consumption Due to Permitted Overweight/Oversized (OW/OS) Vehicles https://rip.trb.org/View/2256321 Wed, 27 Sep 2023 16:02:19 GMT https://rip.trb.org/View/2256321 Assessing the Consumption Costs of Motor Vehicles on Arizona Roads and Bridges https://rip.trb.org/View/2248971 Fri, 15 Sep 2023 17:33:37 GMT https://rip.trb.org/View/2248971 Evaluation of Integrated Overweight Enforcement System using High Accuracy WIM System and Non-Proprietary ALPR System https://rip.trb.org/View/1942837 Fri, 22 Apr 2022 10:42:10 GMT https://rip.trb.org/View/1942837 SPR-4606: Overweight Divisible Loads: Permit Administration and Impact on Indiana’s Road Infrastructure and Safety https://rip.trb.org/View/1858257 Thu, 10 Jun 2021 15:38:06 GMT https://rip.trb.org/View/1858257 Impact of Increased Allowable Truck Loads on Pavement Life https://rip.trb.org/View/1851853 Tue, 11 May 2021 14:14:34 GMT https://rip.trb.org/View/1851853 Integration and Operation of an Advanced Weigh-in-Motion (A-WIM) System for Autonomous Enforcement of Overweight Trucks https://rip.trb.org/View/1844345 Thu, 01 Apr 2021 19:46:29 GMT https://rip.trb.org/View/1844345 MnDOT Haul/Detour Routes – Impacts on local roads https://rip.trb.org/View/1764601 Thu, 21 Jan 2021 16:22:56 GMT https://rip.trb.org/View/1764601