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/ In-Stream Vegetation as a Nature-Based Approach to Scour Control at Bridge Crossings https://rip.trb.org/View/2627352 Wed, 19 Nov 2025 14:20:41 GMT https://rip.trb.org/View/2627352 Use of Small UAVs (Unmanned Aerial Vehicles) for Field Measurement of Hydraulic Parameters in Small Drainage Basins https://rip.trb.org/View/2548656 Wed, 30 Apr 2025 09:13:20 GMT https://rip.trb.org/View/2548656 Evaluation of Unmanned Surface Vessel (USV) Technology for Bathymetric Surveying of Riverine Environments https://rip.trb.org/View/2236945 Mon, 28 Aug 2023 09:36:35 GMT https://rip.trb.org/View/2236945 Demonstrating the Capabilities of UAS Topobathymetric LiDAR Mapping in Support of DOT Project Planning, Monitoring and Modeling https://rip.trb.org/View/2003589 Fri, 05 Aug 2022 08:50:19 GMT https://rip.trb.org/View/2003589