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/ Anchorage Design and Detailing for Fabric-Reinforced Cementitious Matrix Retrofits of Transportation Concrete Structures https://rip.trb.org/View/2691724 Sun, 12 Apr 2026 23:52:50 GMT https://rip.trb.org/View/2691724 Establish Bridge Blast and Fire Damage Mitigation and Design Consideration https://rip.trb.org/View/2658327 Fri, 23 Jan 2026 16:09:32 GMT https://rip.trb.org/View/2658327 Accessible lavatories https://rip.trb.org/View/2625301 Thu, 13 Nov 2025 10:16:28 GMT https://rip.trb.org/View/2625301 Retrofitting TxDOT Prestressed Box Beams with Composite Cast In Place Concrete Deck https://rip.trb.org/View/2593186 Tue, 26 Aug 2025 12:32:40 GMT https://rip.trb.org/View/2593186 A Novel Constrained Layer Damper for Wind-Induced Vibration Mitigation of High-Mast Illumination Poles https://rip.trb.org/View/2505729 Mon, 03 Feb 2025 22:13:46 GMT https://rip.trb.org/View/2505729 Development of Alternative Desert Tortoise Crossing Criteria and Designs (NDOT 494-24-803) https://rip.trb.org/View/2499403 Fri, 31 Jan 2025 18:06:52 GMT https://rip.trb.org/View/2499403 Bracing for Impact: Developing Steel-Concrete Sandwich Panel Retrofits for Increased Bridge Pier Protection https://rip.trb.org/View/2499034 Wed, 29 Jan 2025 17:03:45 GMT https://rip.trb.org/View/2499034 "Prioritizing Active Transportation Facilities That Would Benefit from Retrofits” and “Evaluation of Separated Bike Lane Vertical Elements." https://rip.trb.org/View/2441453 Tue, 15 Oct 2024 12:35:15 GMT https://rip.trb.org/View/2441453 Strengthening and corrosion protection of coastal transportation infrastructure with titanium alloy bars https://rip.trb.org/View/2437858 Mon, 07 Oct 2024 15:52:57 GMT https://rip.trb.org/View/2437858 SPR-4924: Numerical Modeling for Assessment and Evaluation of New and Retrofitted Bridge Rails Under Impact Load https://rip.trb.org/View/2434101 Wed, 25 Sep 2024 09:23:07 GMT https://rip.trb.org/View/2434101 Retrofit Design of Seismically Deficient Bridges on and Over the Interstates and Parkways in Western Kentucky https://rip.trb.org/View/2417062 Mon, 12 Aug 2024 13:26:29 GMT https://rip.trb.org/View/2417062 Role Of Grout And GFRP Slip Liner On The Circumferential Behaviour Of Retrofitted Corroded Metal Culverts https://rip.trb.org/View/2404267 Sun, 21 Jul 2024 14:59:54 GMT https://rip.trb.org/View/2404267 Accelerated Foundation Repair/retrofits For Capacity Upgradation And Strengthening https://rip.trb.org/View/2404261 Sun, 21 Jul 2024 14:54:37 GMT https://rip.trb.org/View/2404261 Behavior of Repaired Sampson County Bridge Beams after 2 Years in Service https://rip.trb.org/View/2262843 Fri, 06 Oct 2023 15:03:28 GMT https://rip.trb.org/View/2262843 Synthesis of Information Related to Highway Practices. Topic 55-07. Stormwater Retrofit Programs and Practices Through Third-Party Partnerships https://rip.trb.org/View/2190445 Mon, 05 Jun 2023 16:13:53 GMT https://rip.trb.org/View/2190445