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-5135: CARSx Traveler Information Message (J-2735) Module Development https://rip.trb.org/View/2709429 Wed, 03 Jun 2026 13:27:41 GMT https://rip.trb.org/View/2709429 Synthesis of Information Related to Highway Practices. Topic 55-21. Funding for Maintenance of Complete Streets https://rip.trb.org/View/2190451 Tue, 06 Jun 2023 16:43:06 GMT https://rip.trb.org/View/2190451 PORT SEDIMENTATION SOLUTIONS https://rip.trb.org/View/1227629 Thu, 03 Jan 2013 13:03:18 GMT https://rip.trb.org/View/1227629