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/ Legal Aspects of Transit and Intermodal Transportation Programs. Topic 20-03. Policing and Public Transportation https://rip.trb.org/View/1722785 Mon, 20 Jul 2020 18:55:47 GMT https://rip.trb.org/View/1722785 Virtual Reality Implementation for Public Engagement: Display 1 - Work Zone Safety ST-006 https://rip.trb.org/View/1508219 Mon, 09 Apr 2018 11:57:43 GMT https://rip.trb.org/View/1508219 Training and Technology Transfer for Accessibility Guidelines for Roundabouts and Channelized Turn Lanes https://rip.trb.org/View/1447425 Fri, 27 Jan 2017 17:44:52 GMT https://rip.trb.org/View/1447425