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/ Emergency Egress for Passengers with Disabilities https://rip.trb.org/View/2529966 Mon, 21 Apr 2025 17:30:38 GMT https://rip.trb.org/View/2529966 Communicable disease preparedness: M&S framework for analyzing cabin health hazards https://rip.trb.org/View/2072042 Wed, 30 Nov 2022 15:31:38 GMT https://rip.trb.org/View/2072042