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/ Impact of Leading Pedestrian Intervals on All Users https://rip.trb.org/View/2608462 Mon, 13 Oct 2025 17:38:46 GMT https://rip.trb.org/View/2608462 Turn-on-Red Prohibitions for Dual Right-Turn Lanes https://rip.trb.org/View/2593920 Thu, 28 Aug 2025 09:56:04 GMT https://rip.trb.org/View/2593920 Proactive Assessment of Pedestrian and Bicycle Safety at Intersections Through Video Analysis of Right Turn on Red Maneuvers https://rip.trb.org/View/2401739 Mon, 08 Jul 2024 14:54:09 GMT https://rip.trb.org/View/2401739 Evaluating the Performance of Right-Turn-On-Red Operation at Signalized Intersections (with single and dual right-turn lanes) https://rip.trb.org/View/1513308 Mon, 21 May 2018 21:42:30 GMT https://rip.trb.org/View/1513308