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/ Artificial Intelligence for Drug-Involved Crash Narrative Analysis and Traffic Safety Insights https://rip.trb.org/View/2658653 Mon, 26 Jan 2026 00:27:52 GMT https://rip.trb.org/View/2658653 Exploring Post-Crash Care with EMS Response to Impaired Driving Crashes in North Dakota https://rip.trb.org/View/2553706 Thu, 15 May 2025 15:13:33 GMT https://rip.trb.org/View/2553706 National Impaired Driving Paid Media Campaign Evaluation https://rip.trb.org/View/2470500 Tue, 03 Dec 2024 14:28:52 GMT https://rip.trb.org/View/2470500 Investigating the Impact of Enforcement and Education on Reducing Drug-Impaired Driving https://rip.trb.org/View/2430395 Sun, 15 Sep 2024 22:33:08 GMT https://rip.trb.org/View/2430395 Toolkit for Reducing Substance-Impaired Driving for the Last Leg of the Journey https://rip.trb.org/View/2394424 Tue, 18 Jun 2024 17:14:30 GMT https://rip.trb.org/View/2394424 Formative Research and Resources to Prevent Cannabis Impaired Driving Among Teens and Young Adults https://rip.trb.org/View/2205309 Tue, 04 Jul 2023 12:54:39 GMT https://rip.trb.org/View/2205309 Exploring Impaired Driving https://rip.trb.org/View/2189210 Wed, 31 May 2023 17:29:55 GMT https://rip.trb.org/View/2189210 National Roadside Survey https://rip.trb.org/View/2051314 Thu, 27 Oct 2022 10:24:59 GMT https://rip.trb.org/View/2051314 Cost-Benefit Evaluations of Detection Methods for Driving Under the Influence of Drugs (DUID) https://rip.trb.org/View/1996245 Tue, 19 Jul 2022 12:40:23 GMT https://rip.trb.org/View/1996245 Develop and Test Drug Positive Driver Detection Cues https://rip.trb.org/View/1889973 Wed, 03 Nov 2021 14:31:54 GMT https://rip.trb.org/View/1889973 Lay People's Understanding about Alcohol and Drug-Related impairment https://rip.trb.org/View/1886962 Tue, 19 Oct 2021 16:49:34 GMT https://rip.trb.org/View/1886962 Strategies to Address Misreporting of Impaired and Distracted Driving in Motor Vehicle Crashes https://rip.trb.org/View/1864197 Mon, 05 Jul 2021 16:49:14 GMT https://rip.trb.org/View/1864197 Support for Research on Forensic Toxicological Laboratory Testing and Reporting Practices https://rip.trb.org/View/1743951 Wed, 07 Oct 2020 17:28:17 GMT https://rip.trb.org/View/1743951 Examine Issues with Prosecuting DUID Cases https://rip.trb.org/View/1656541 Thu, 03 Oct 2019 16:42:27 GMT https://rip.trb.org/View/1656541 Examine Clinical Research Evaluating Drug Effects on Behavioral Performance Tests https://rip.trb.org/View/1656466 Thu, 03 Oct 2019 16:27:40 GMT https://rip.trb.org/View/1656466