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/ Merged Crash Data and DMV Intervention Programs https://rip.trb.org/View/2725248 Wed, 08 Jul 2026 16:03:29 GMT https://rip.trb.org/View/2725248 Synthesis of Information Related to Highway Practices. Topic 57-13. Practices to Improve DOT Employee Vehicle Safety and Reduce Workplace Driving Incidents https://rip.trb.org/View/2630484 Wed, 26 Nov 2025 17:42:49 GMT https://rip.trb.org/View/2630484 Advancing the Motorcoach Seatbelt Promotional Campaign on Regularly Scheduled Routes and Charter Services in New England to Reduce Fatalities and Injury Severity https://rip.trb.org/View/2472697 Mon, 09 Dec 2024 10:12:35 GMT https://rip.trb.org/View/2472697 Click It or Ticket Evaluation https://rip.trb.org/View/2447244 Fri, 01 Nov 2024 12:35:56 GMT https://rip.trb.org/View/2447244 Kentucky Transportation Cabinet Secretary’s Office of Safety ‘Safety Academy’ https://rip.trb.org/View/2417075 Mon, 12 Aug 2024 13:26:34 GMT https://rip.trb.org/View/2417075 Strategies to Improve Safe Behaviors of Highway Construction Workers https://rip.trb.org/View/2341569 Mon, 19 Feb 2024 16:25:26 GMT https://rip.trb.org/View/2341569 MDOT Safety Gap Analysis https://rip.trb.org/View/2264431 Mon, 09 Oct 2023 09:29:23 GMT https://rip.trb.org/View/2264431 Social Norming for Seat Belt use https://rip.trb.org/View/2256371 Thu, 28 Sep 2023 13:26:29 GMT https://rip.trb.org/View/2256371 Guide for Applying Safe System Principles in the Road Safety Audit Process https://rip.trb.org/View/2219024 Tue, 25 Jul 2023 08:02:36 GMT https://rip.trb.org/View/2219024 Enhancing Behavioral Traffic Safety Efforts to Engage Underserved Communities https://rip.trb.org/View/2205312 Tue, 04 Jul 2023 13:04:35 GMT https://rip.trb.org/View/2205312 Improve the Technical Capacity of Transportation Safety Professionals at all Levels of Government to Advance Safety Programs https://rip.trb.org/View/2093188 Tue, 03 Jan 2023 13:53:44 GMT https://rip.trb.org/View/2093188 Cataloging and Increasing Knowledge About Emergency Medical Services Responses https://rip.trb.org/View/2043467 Fri, 14 Oct 2022 18:25:44 GMT https://rip.trb.org/View/2043467 A Guide for Building, Maintaining, and Improving ARFF Programs https://rip.trb.org/View/2007983 Tue, 16 Aug 2022 14:21:52 GMT https://rip.trb.org/View/2007983 Incorporating Safe System Approach into the NCHRP 500 Series https://rip.trb.org/View/1957063 Fri, 27 May 2022 12:55:31 GMT https://rip.trb.org/View/1957063 Practical Approaches to Quantifying Safe System Concepts https://rip.trb.org/View/1953256 Wed, 18 May 2022 10:44:09 GMT https://rip.trb.org/View/1953256