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/ Evaluation of Large Truck Parameter Requirements For Crash Testing https://rip.trb.org/View/2712181 Tue, 09 Jun 2026 15:16:30 GMT https://rip.trb.org/View/2712181 Safety Risks of Occupant Compartment Damage During Crashes https://rip.trb.org/View/2054768 Tue, 01 Nov 2022 06:34:44 GMT https://rip.trb.org/View/2054768 MASH Hardware Evaluation with New Proposed Test Vehicles https://rip.trb.org/View/1854211 Thu, 27 May 2021 16:52:54 GMT https://rip.trb.org/View/1854211 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 Evaluation of MASH Test Vehicles https://rip.trb.org/View/1842749 Wed, 24 Mar 2021 10:31:15 GMT https://rip.trb.org/View/1842749 Implementation of Improved Overlay Testers for Fatigue Cracking Resistance of Asphalt Mixture https://rip.trb.org/View/1485804 Wed, 18 Oct 2017 10:49:52 GMT https://rip.trb.org/View/1485804