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/ Efficacy, Advancement, and Monitoring of Carbon Fiber Composite Cable (CFCC) https://rip.trb.org/View/2724770 Tue, 07 Jul 2026 10:05:57 GMT https://rip.trb.org/View/2724770 The Use of Recycled Plastic in Asphalt Pavements - Phase II https://rip.trb.org/View/2689392 Tue, 02 Jun 2026 12:25:00 GMT https://rip.trb.org/View/2689392 The Use of Recycled Plastic in Concrete Pavements - Phase II https://rip.trb.org/View/2685709 Tue, 02 Jun 2026 12:23:14 GMT https://rip.trb.org/View/2685709 Field Performance Study of Plastics-Amended Asphalt for Roadway Construction https://rip.trb.org/View/2696020 Thu, 23 Apr 2026 16:48:47 GMT https://rip.trb.org/View/2696020 Full-Scale Performance Evaluation of a Modular, Lightweight, UHPC Panel System for Repair of Corrosion-Damaged Steel H-Piles https://rip.trb.org/View/2695941 Thu, 23 Apr 2026 16:26:18 GMT https://rip.trb.org/View/2695941 Use of “Plazrok” Aggregate to Produce Durable Grade 3.0 and 4.0 Concrete https://rip.trb.org/View/2652729 Tue, 13 Jan 2026 16:28:22 GMT https://rip.trb.org/View/2652729 Testing Sand-Lightweight Concrete Bridge Deck Members Reinforced with Glass FRP Bars: Phase I https://rip.trb.org/View/2652545 Tue, 13 Jan 2026 15:59:44 GMT https://rip.trb.org/View/2652545 Microplastic Air Pollution from the Wear of Vehicle Tires https://rip.trb.org/View/2582930 Tue, 05 Aug 2025 15:42:13 GMT https://rip.trb.org/View/2582930 Investigating the Performance of Corrosion-Resistant GFRP-Reinforced Bridge Railings with Open Expansion Joints https://rip.trb.org/View/2529965 Fri, 28 Mar 2025 08:24:10 GMT https://rip.trb.org/View/2529965 Base Stabilization of Iowa Granular Roads Using Recycled Plastics https://rip.trb.org/View/2509058 Wed, 12 Feb 2025 18:41:04 GMT https://rip.trb.org/View/2509058 Surface Modification Approaches to Turn Waste Plastics into Beneficial Additive for Concrete https://rip.trb.org/View/2448626 Mon, 04 Nov 2024 16:07:38 GMT https://rip.trb.org/View/2448626 Quantitative Study of Environmental Condition and PFAS Impacts on Microplastic (MP) Fate and Transport due to Effects on MP Flocculation https://rip.trb.org/View/2442011 Thu, 17 Oct 2024 11:04:32 GMT https://rip.trb.org/View/2442011 Strengthening Piers to Resist Vehicular Collision https://rip.trb.org/View/2317394 Mon, 03 Jun 2024 15:02:47 GMT https://rip.trb.org/View/2317394 The Utilization of Waster Plastic as a Polymer Modifier for Asphalt Binders https://rip.trb.org/View/2387099 Mon, 03 Jun 2024 14:46:17 GMT https://rip.trb.org/View/2387099 Experimental Evaluation of Strengthening Methods for Bridge Piers Against Vehicular Collision https://rip.trb.org/View/2369297 Mon, 03 Jun 2024 14:37:53 GMT https://rip.trb.org/View/2369297