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/ Accelerated Pavement Testing Working Group https://rip.trb.org/View/2761146 Fri, 14 Aug 2026 22:01:28 GMT https://rip.trb.org/View/2761146 PPRC 11 SPE: Laboratory and Accelerated Pavement Testing (APT) of Gap-Graded Rubberized Mixes (Hot Mix Asphalt and Warm Mix Asphalt) for the Department of Resources Recycling and Recovery (CalRecycle) https://rip.trb.org/View/1234192 Thu, 03 Jan 2013 15:08:18 GMT https://rip.trb.org/View/1234192