Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Determining an Acceptable California Bearing Ratio (CBR) Value for Kansas Subgrades Based on Pavement Distress Data https://rip.trb.org/View/1604429 Tue, 07 May 2019 14:21:30 GMT https://rip.trb.org/View/1604429 Investigation of No. 10 Screenings for Subgrade Soil Improvement https://rip.trb.org/View/1602879 Thu, 02 May 2019 09:14:52 GMT https://rip.trb.org/View/1602879 Establishing a Correlation between Resilient Modulus and CBR/Soil Index Properties and Development of a Performance-Based Specification for Pavement Subgrade Materials https://rip.trb.org/View/1522887 Mon, 09 Jul 2018 16:08:09 GMT https://rip.trb.org/View/1522887