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/ Improving Stormwater Systems for Debris and Contaminant Capture https://rip.trb.org/View/2712206 Wed, 10 Jun 2026 11:28:41 GMT https://rip.trb.org/View/2712206 Improving Culvert Performance with Diffusers and Energy Dissipators https://rip.trb.org/View/2558375 Thu, 29 May 2025 12:56:43 GMT https://rip.trb.org/View/2558375 Guide for Culvert and Storm Drain Rehabilitation https://rip.trb.org/View/2558411 Tue, 27 May 2025 20:50:33 GMT https://rip.trb.org/View/2558411 Characterization of Sediment Loads and Size Distributions in Nebraska Roadway Runoff - Phase 2 https://rip.trb.org/View/2507239 Mon, 10 Feb 2025 11:14:39 GMT https://rip.trb.org/View/2507239 Roadway Runoff Impacts to Trout Streams Studies for MS4 Permit https://rip.trb.org/View/2342067 Tue, 20 Feb 2024 14:23:38 GMT https://rip.trb.org/View/2342067 A Synthesis of Usage and Performance of Daylighted Bases in Comparison to Edge Drains https://rip.trb.org/View/1918988 Fri, 18 Feb 2022 12:20:47 GMT https://rip.trb.org/View/1918988 Benefit Analysis of Barrier Inlet Screens https://rip.trb.org/View/1875933 Wed, 01 Sep 2021 10:38:06 GMT https://rip.trb.org/View/1875933 Development of a Stormwater/Infiltration Systems for Urban Highways using Permeable Lightweight Cellular Concrete, Phase I https://rip.trb.org/View/1875795 Mon, 30 Aug 2021 15:07:56 GMT https://rip.trb.org/View/1875795 Effective and Economical Cleaning of Pipes and Underdrains - Phase 2 https://rip.trb.org/View/1463394 Fri, 31 Mar 2017 10:08:40 GMT https://rip.trb.org/View/1463394 Contaminant Release from Storm Water Culvert Rehabilitation Technologies: Understanding Implications to the Environment and Long-Term Material Integrity https://rip.trb.org/View/1377907 Tue, 22 Dec 2015 11:54:17 GMT https://rip.trb.org/View/1377907 Shaking Table Testing to Evaluate Effectiveness of Vertical Drains for Liquefaction Mitigation https://rip.trb.org/View/1366542 Sat, 22 Aug 2015 01:01:11 GMT https://rip.trb.org/View/1366542 Plastic Pipe for Highway Construction-Phase 2 https://rip.trb.org/View/1360383 Thu, 09 Jul 2015 01:00:19 GMT https://rip.trb.org/View/1360383 Improved Operations of Small Drains https://rip.trb.org/View/1227462 Thu, 03 Jan 2013 12:59:48 GMT https://rip.trb.org/View/1227462