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/ Photogrammetry and LiDAR-Based Precast Concrete Railroad Crossties Abrasion Damage Detections https://rip.trb.org/View/2314007 Sun, 24 Dec 2023 08:30:43 GMT https://rip.trb.org/View/2314007 Development of New Corrosion/Abrasion Guidelines for Selection of Culvert Pipe Materials, Phase II https://rip.trb.org/View/1286510 Sat, 18 Jan 2014 01:01:10 GMT https://rip.trb.org/View/1286510