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/ Toward Ubiquitous Trajectory‐Based Traffic Network Diagnosis Systems https://rip.trb.org/View/2625315 Thu, 13 Nov 2025 16:01:21 GMT https://rip.trb.org/View/2625315 Contraflow Evacuation Planning for I-65 in Alabama https://rip.trb.org/View/1243463 Tue, 12 Feb 2013 01:01:10 GMT https://rip.trb.org/View/1243463