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/ Premium Materials Evaluation https://rip.trb.org/View/2077944 Tue, 06 Dec 2022 09:48:38 GMT https://rip.trb.org/View/2077944 Performance of Ultra-Thin Bonded Wearing Course During Winter Events https://rip.trb.org/View/2071993 Thu, 01 Dec 2022 10:53:15 GMT https://rip.trb.org/View/2071993 Guidance for the Construction of Sand Seals and Ultra-thin Bonded Wearing Courses https://rip.trb.org/View/1854197 Tue, 25 May 2021 11:34:00 GMT https://rip.trb.org/View/1854197 Ultra High Strength Concrete Wearing Surface for Asphalt and Concrete Road as well as Bridge Deck https://rip.trb.org/View/1320732 Fri, 22 Aug 2014 01:00:46 GMT https://rip.trb.org/View/1320732