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/ Impact of Turning Radius on Vehicle Speeds and Pedestrian Crossing Safety on Urban Unsignalized Intersections Using Virtual Reality https://rip.trb.org/View/1853635 Mon, 24 May 2021 11:39:15 GMT https://rip.trb.org/View/1853635 An Update of the Green Book Design Vehicles Requirements https://rip.trb.org/View/1516155 Mon, 18 Jun 2018 19:33:12 GMT https://rip.trb.org/View/1516155 Safety Performance Evaluation of Posts for Use in a New Short Radius Guardrail for Intersecting Roadways https://rip.trb.org/View/1251923 Wed, 05 Jun 2013 01:01:46 GMT https://rip.trb.org/View/1251923