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/ Synthesis of Information Related to Highway Practices. Topic 57-16. Practices Related to Public Art in State DOT Rights-of-Way and Facilities https://rip.trb.org/View/2630491 Tue, 25 Nov 2025 17:33:43 GMT https://rip.trb.org/View/2630491 Identification, Monitoring and Treatment of Pavements Damaged by Alkali-Silica Reaction: Guidelines for Engineers https://rip.trb.org/View/2582446 Wed, 30 Jul 2025 11:36:35 GMT https://rip.trb.org/View/2582446 Human Factors: Optimizing Crosswalks and Aesthetic Surface Treatments (a.k.a. Pavement Art) for Pedestrians with Disabilities https://rip.trb.org/View/2536269 Fri, 11 Apr 2025 16:58:49 GMT https://rip.trb.org/View/2536269 Synthesis of Information Related to Transit Practices. Topic SB-44. The State of Art Programs in Transit https://rip.trb.org/View/2410386 Mon, 29 Jul 2024 19:05:15 GMT https://rip.trb.org/View/2410386 Performance Measures for Community-Centered Transportation Outcomes: A Guide https://rip.trb.org/View/2188141 Tue, 30 May 2023 20:31:15 GMT https://rip.trb.org/View/2188141 Synthesis of Information Related to Airport Practices. Topic S01-28. Methods of Airport Arts Program Management https://rip.trb.org/View/2077894 Wed, 07 Dec 2022 18:09:04 GMT https://rip.trb.org/View/2077894 Evaluation of Different Curb Extension Treatments for Pedestrian Comfort and Safety at Intersections https://rip.trb.org/View/1952003 Thu, 12 May 2022 14:42:25 GMT https://rip.trb.org/View/1952003 State-of-the-Art Technologies for Structural Health Monitoring of Tunnels: an Overview https://rip.trb.org/View/1885450 Thu, 14 Oct 2021 15:34:43 GMT https://rip.trb.org/View/1885450 Al Analyzer for Revealing Insights of Traffic Crashes https://rip.trb.org/View/1865406 Wed, 14 Jul 2021 17:38:10 GMT https://rip.trb.org/View/1865406 RES2019-08: Rating and Inventory of TDOT Retaining Walls https://rip.trb.org/View/1851950 Tue, 11 May 2021 15:47:06 GMT https://rip.trb.org/View/1851950 Zero Speed Profiler Assessment for Pavement Smoothness and Continuous Pavement Texture Measurements https://rip.trb.org/View/1755605 Thu, 03 Dec 2020 11:38:55 GMT https://rip.trb.org/View/1755605 Investigation of Balanced Mixture Design for New York State Asphalt Mixtures https://rip.trb.org/View/1666459 Fri, 24 Jan 2020 15:32:57 GMT https://rip.trb.org/View/1666459 State of the Art Approaches to Bicycle and Pedestrian Counters https://rip.trb.org/View/1672456 Wed, 11 Dec 2019 15:54:23 GMT https://rip.trb.org/View/1672456 Optimal Design of Sustainable Asphalt Mixtures with RAP (3.6) https://rip.trb.org/View/1601904 Wed, 24 Apr 2019 20:52:56 GMT https://rip.trb.org/View/1601904 Administration of Highway and Transportation Agencies. State-of-the-Art Review of Cooperative Automated Transportation (CAT) Systems https://rip.trb.org/View/1588876 Wed, 27 Feb 2019 19:09:41 GMT https://rip.trb.org/View/1588876