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/ Next Generation Concrete Pavement Road Map https://rip.trb.org/View/1362123 Wed, 22 Jul 2015 01:01:48 GMT https://rip.trb.org/View/1362123 Testing and Evaluation of RAP and RAS on Experimental Pavement Sections https://rip.trb.org/View/1359171 Fri, 26 Jun 2015 01:00:18 GMT https://rip.trb.org/View/1359171 Regional Calibration Center at UC Davis and Update of HVS's and Laboratory Equipment https://rip.trb.org/View/1234221 Thu, 03 Jan 2013 15:08:44 GMT https://rip.trb.org/View/1234221