Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Drug Testing Science and Best Practices https://rip.trb.org/View/2307253 Wed, 13 Dec 2023 12:40:57 GMT https://rip.trb.org/View/2307253 Effects of Legalization of Marijuana on Traffic Safety https://rip.trb.org/View/2213972 Tue, 18 Jul 2023 16:33:54 GMT https://rip.trb.org/View/2213972 Legal Aspects of Airport Programs. Topic 15-03. Legal Impacts to Airports from State Legalization of Marijuana https://rip.trb.org/View/2205310 Tue, 04 Jul 2023 12:57:56 GMT https://rip.trb.org/View/2205310 Exploring Impaired Driving https://rip.trb.org/View/2189210 Wed, 31 May 2023 17:29:55 GMT https://rip.trb.org/View/2189210 The Impact of Co-Administration of Alcohol and Cannabis on Impairment https://rip.trb.org/View/2083613 Mon, 12 Dec 2022 09:23:37 GMT https://rip.trb.org/View/2083613 Gene Expression and Biomarker Utility in Postmortem Samples https://rip.trb.org/View/1949473 Mon, 09 May 2022 16:27:51 GMT https://rip.trb.org/View/1949473 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 Examination of the Legalization and Decriminalization of Marijuana on the DWI System: Measuring the Effect https://rip.trb.org/View/1475064 Wed, 19 Jul 2017 10:49:21 GMT https://rip.trb.org/View/1475064 Examine the Feasibility of a Field Test for Marijuana Impairment: Laboratory Evaluations https://rip.trb.org/View/1460890 Thu, 23 Mar 2017 16:13:17 GMT https://rip.trb.org/View/1460890