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/ 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 National Roadside Survey https://rip.trb.org/View/2051314 Thu, 27 Oct 2022 10:24:59 GMT https://rip.trb.org/View/2051314 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 Safety enhancement by detecting driver impairment through analysis of real-time volatilities https://rip.trb.org/View/1850906 Fri, 07 May 2021 10:24:08 GMT https://rip.trb.org/View/1850906 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 Drugged Driving Data Sources https://rip.trb.org/View/1475060 Wed, 19 Jul 2017 10:20:28 GMT https://rip.trb.org/View/1475060 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 Determining the Potential of Drugs to Impair Driving: A Demonstration of the Tiered Assessment Protocol https://rip.trb.org/View/1460889 Thu, 23 Mar 2017 16:07:23 GMT https://rip.trb.org/View/1460889