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/ Evaluating the Impact of Improved Roadway Lighting on Nighttime Driver Behavior and Pedestrian Safety https://rip.trb.org/View/2625596 Mon, 17 Nov 2025 14:39:50 GMT https://rip.trb.org/View/2625596 Pedestrian Level of Traffic Stress (PLTS) Application and Validation https://rip.trb.org/View/2401757 Mon, 08 Jul 2024 14:54:19 GMT https://rip.trb.org/View/2401757 Gender Analysis Tool for Complete Streets Policy Implementation: Mobility, Families, and Emerging Technologies https://rip.trb.org/View/1676642 Thu, 02 Jan 2020 15:35:41 GMT https://rip.trb.org/View/1676642