Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Integrated FFFS-EVS Design Guidelines for Highway Tunnels https://rip.trb.org/View/2100884 Wed, 18 Jan 2023 11:17:30 GMT https://rip.trb.org/View/2100884 Improved Permafrost Protection Using Air Convection and Ventilated Shoulder Cooling Systems https://rip.trb.org/View/1531899 Mon, 13 Aug 2018 19:21:29 GMT https://rip.trb.org/View/1531899