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/ Controlling Roadway Departures on Rural Kansas Highways Through Enhanced Pavement Friction https://rip.trb.org/View/2652341 Tue, 13 Jan 2026 15:39:27 GMT https://rip.trb.org/View/2652341 Development of a Network-Level Data-Driven High Friction Surface Treatment Location Selection Approach Leveraging Remote Sensing Technologies https://rip.trb.org/View/2643023 Thu, 18 Dec 2025 14:36:51 GMT https://rip.trb.org/View/2643023 High Friction Surface Treatment Decision-Making Criteria https://rip.trb.org/View/2640691 Tue, 16 Dec 2025 09:20:39 GMT https://rip.trb.org/View/2640691 Conduct a Friction Testing Program, Data Analysis and Effectiveness of the NMDOT Open Grade Friction Course Program https://rip.trb.org/View/2582895 Tue, 05 Aug 2025 10:54:23 GMT https://rip.trb.org/View/2582895 Performance-Based Design of Permeable Friction Courses Using Warm Mix Asphalt for Enhanced Safety and Durability https://rip.trb.org/View/2480326 Wed, 01 Jan 2025 13:45:25 GMT https://rip.trb.org/View/2480326 RES2025-11: A Balanced Approach to Performance of OGFC https://rip.trb.org/View/2437333 Mon, 30 Sep 2024 16:29:55 GMT https://rip.trb.org/View/2437333 Asphalt Emulsion-Based High Friction Surface Treatments https://rip.trb.org/View/2381730 Tue, 21 May 2024 20:24:29 GMT https://rip.trb.org/View/2381730 Next-Generation Permeable Pavement for Enhanced Durability and Functionality https://rip.trb.org/View/2291281 Wed, 15 Nov 2023 17:12:35 GMT https://rip.trb.org/View/2291281 Field Study to Determine Salt Usage Efficiency and Transport to the Surrounding Environment on Two Pavement Types https://rip.trb.org/View/2255649 Mon, 25 Sep 2023 11:38:36 GMT https://rip.trb.org/View/2255649 RES2019-25: Improving Winter Maintenance for Open Graded Friction Course (OGFC) Pavements in Tennessee https://rip.trb.org/View/1851965 Tue, 11 May 2021 18:11:25 GMT https://rip.trb.org/View/1851965 Validation of the PFC Underdrain to Remove Standing Water on Pavement Surface https://rip.trb.org/View/1652663 Wed, 18 Sep 2019 15:30:54 GMT https://rip.trb.org/View/1652663 SPR-4300: Investigation of Durability and Performance of High Friction Surface Treatment https://rip.trb.org/View/1513445 Wed, 23 May 2018 14:28:22 GMT https://rip.trb.org/View/1513445 Pavement Surface Properties Consortium – Managing the Pavement Properties for Improved Safety https://rip.trb.org/View/1404718 Fri, 22 Apr 2016 09:21:27 GMT https://rip.trb.org/View/1404718