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/ Applying a Safe System Framework to Rail-Related Trespassing Deaths and Injuries in North Carolina https://rip.trb.org/View/2604727 Tue, 30 Sep 2025 15:38:16 GMT https://rip.trb.org/View/2604727 Speed Modification Factors within the Safe System Approach https://rip.trb.org/View/2558365 Thu, 29 May 2025 13:17:35 GMT https://rip.trb.org/View/2558365 Tort Liability and Shifting Legal Responsibility in the Safe System Approach https://rip.trb.org/View/2558416 Tue, 27 May 2025 20:28:33 GMT https://rip.trb.org/View/2558416 Toolkit to Support Implementation of the Safe System Approach https://rip.trb.org/View/2381756 Thu, 23 May 2024 09:57:17 GMT https://rip.trb.org/View/2381756 Safe System Approach for Including Trees in Urban and Suburban Roadway Contexts https://rip.trb.org/View/2381741 Wed, 22 May 2024 11:59:20 GMT https://rip.trb.org/View/2381741 Pedestrian Exposure for Crash Prediction https://rip.trb.org/View/2259669 Mon, 02 Oct 2023 07:47:07 GMT https://rip.trb.org/View/2259669 Implementing Safe Systems Approach in Project Development https://rip.trb.org/View/2244512 Thu, 14 Sep 2023 08:49:30 GMT https://rip.trb.org/View/2244512 Reduce Fatal and Serious Injury Crashes https://rip.trb.org/View/2186024 Wed, 24 May 2023 14:13:55 GMT https://rip.trb.org/View/2186024 Applying the Safe System Approach to Transportation Planning, Design, and Operations in the United States https://rip.trb.org/View/1842750 Wed, 24 Mar 2021 10:40:55 GMT https://rip.trb.org/View/1842750