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/ Evaluation of Change and Clearance Intervals to Address Safety and Operational Performance of Signalized Intersections  https://rip.trb.org/View/2100906 Wed, 18 Jan 2023 11:17:42 GMT https://rip.trb.org/View/2100906 Traffic Signal Change and Clearance Interval Pooled Fund Study https://rip.trb.org/View/1758857 Mon, 21 Dec 2020 19:05:20 GMT https://rip.trb.org/View/1758857 Evaluation of Change and Clearance Intervals Prior to the Flashing Yellow Arrow Permissive Left-Turn Indication https://rip.trb.org/View/1359249 Sat, 27 Jun 2015 01:00:49 GMT https://rip.trb.org/View/1359249 Safe and Efficient Pedestrian Accommodation at Coordinated Signalized Intersections https://rip.trb.org/View/1322854 Thu, 11 Sep 2014 01:00:15 GMT https://rip.trb.org/View/1322854