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/ SPR-5027: Evaluation of Recycled Concrete Pavement (RCP) for Base and Subbase Layers https://rip.trb.org/View/2698666 Wed, 06 May 2026 15:26:33 GMT https://rip.trb.org/View/2698666 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 Innovative Materials for Improved Roadway Mobility and Drainage Efficiency https://rip.trb.org/View/2677558 Wed, 04 Mar 2026 13:53:43 GMT https://rip.trb.org/View/2677558 Ladle Furnace Slag Properties When Blended with Dolomitic Underutilized Quarry Materials https://rip.trb.org/View/2677554 Wed, 04 Mar 2026 09:16:47 GMT https://rip.trb.org/View/2677554 MIT-Dowel-Scan Pilot Implementation https://rip.trb.org/View/2673060 Tue, 24 Feb 2026 15:05:02 GMT https://rip.trb.org/View/2673060 Evaluation of Ride Quality and Tining/Finishing Practices for Concrete Pavements https://rip.trb.org/View/2671982 Wed, 18 Feb 2026 11:18:56 GMT https://rip.trb.org/View/2671982 Evaluation of Hamburg Wheel Tracking Test (HWTT) for Rutting Resistance Assessment https://rip.trb.org/View/2671980 Wed, 18 Feb 2026 11:14:14 GMT https://rip.trb.org/View/2671980 Demonstration Projects for Engineering the Foundation Layers for Long-Life Pavement Systems https://rip.trb.org/View/2663575 Mon, 02 Feb 2026 19:14:27 GMT https://rip.trb.org/View/2663575 Data-driven assessment of rigid pavement vulnerability in Texas coastal regions https://rip.trb.org/View/2663108 Thu, 29 Jan 2026 19:58:17 GMT https://rip.trb.org/View/2663108 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 Evaluation of Longitudinal Joint Densities of Asphalt Pavements in Kansas https://rip.trb.org/View/2652473 Tue, 13 Jan 2026 15:50:31 GMT https://rip.trb.org/View/2652473 Enhancing Airport Runway Safety through Drone-Based Inspection Systems https://rip.trb.org/View/2652212 Tue, 13 Jan 2026 15:04:34 GMT https://rip.trb.org/View/2652212 Develop Best Practice to Improve CRCP Performance near Transverse Construction Joints https://rip.trb.org/View/2652074 Fri, 09 Jan 2026 16:35:38 GMT https://rip.trb.org/View/2652074 Establishing Applicability of TSD Measurements for Rigid Pavement Assessment https://rip.trb.org/View/2646970 Tue, 06 Jan 2026 17:26:07 GMT https://rip.trb.org/View/2646970 Assessing the Durability and Long-Term Performance of Rejuvenated Asphalt Mixes with RAP https://rip.trb.org/View/2646944 Mon, 05 Jan 2026 23:09:53 GMT https://rip.trb.org/View/2646944