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/ Mechanistic-Based Evaluation of Performance Thresholds for Engineered Surface Asphalt Mixtures https://rip.trb.org/View/1905289 Mon, 24 Jan 2022 12:21:03 GMT https://rip.trb.org/View/1905289 Y3R1- Analysis of Freight Movement Within Regional Evacuations https://rip.trb.org/View/1868878 Tue, 27 Jul 2021 09:40:15 GMT https://rip.trb.org/View/1868878 The Impacts of Covid-19 on US Retail: An Empirical Investigation https://rip.trb.org/View/1845535 Wed, 07 Apr 2021 19:11:06 GMT https://rip.trb.org/View/1845535 Use of Complex Fluids for Enhanced Cellulosic Pre-treatment. https://rip.trb.org/View/1367710 Tue, 01 Sep 2015 11:32:39 GMT https://rip.trb.org/View/1367710 Training Course for the Stochastic Empirical Loading and Dilution Model https://rip.trb.org/View/1236521 Thu, 03 Jan 2013 15:48:24 GMT https://rip.trb.org/View/1236521 Activities Conducted while Traveling: An Empirical Examination of their Impact on the Value of Travel Time Savings https://rip.trb.org/View/1235187 Thu, 03 Jan 2013 15:25:50 GMT https://rip.trb.org/View/1235187 Training Course for the Stochastic Empirical Loading and Dilution Model https://rip.trb.org/View/1234787 Thu, 03 Jan 2013 15:19:20 GMT https://rip.trb.org/View/1234787