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/ Estimation of Pedestrian Compliance at Signalized Intersections Considering Demographic and Geographic Factors (Phase II) https://rip.trb.org/View/1881801 Mon, 04 Oct 2021 12:09:22 GMT https://rip.trb.org/View/1881801 Estimation of Pedestrian Compliance at Signalized Intersections Considering Demographic and Geographic Factors https://rip.trb.org/View/1745749 Sat, 17 Oct 2020 14:11:18 GMT https://rip.trb.org/View/1745749 Modeling and Specifications of LED Based Runway Lighting Systems https://rip.trb.org/View/1392186 Tue, 19 Jan 2016 16:03:08 GMT https://rip.trb.org/View/1392186