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/ Road Usage Charge Communication Strategies https://rip.trb.org/View/2558372 Thu, 29 May 2025 13:01:48 GMT https://rip.trb.org/View/2558372 Communicating the Impacts of Research Projects in North Carolina https://rip.trb.org/View/2452917 Fri, 15 Nov 2024 15:55:25 GMT https://rip.trb.org/View/2452917 Building an Effective Framework for Active Transportation Messaging https://rip.trb.org/View/2381710 Mon, 20 May 2024 21:57:01 GMT https://rip.trb.org/View/2381710 Administration of Highway and Transportation Agencies. Assessing and Communicating the Economic and Quality of Life Benefits of Transportation Infrastructure Investments: Message Testing https://rip.trb.org/View/1777137 Tue, 23 Feb 2021 11:27:12 GMT https://rip.trb.org/View/1777137 Objectives, Components, and Measures of Effective Traffic Safety Public Awareness and Education Efforts https://rip.trb.org/View/1716998 Tue, 30 Jun 2020 12:06:56 GMT https://rip.trb.org/View/1716998