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/ Evaluate PVC Water Main Materials in Roadway Projects https://rip.trb.org/View/2731924 Fri, 17 Jul 2026 14:29:12 GMT https://rip.trb.org/View/2731924 Super-Elastic Copper-Based and Iron-Based Shape Memory Alloys and Engineered Cementitious Composites for Extreme Events Resiliency https://rip.trb.org/View/1903711 Thu, 13 Jan 2022 17:36:01 GMT https://rip.trb.org/View/1903711