Tuesday, February 4, 1964: Drinking and driving

"The Role of the Drinking Driver in Traffic Accidents," also known as the Grand Rapids Study, is published by Robert F. Borkenstein et al. for Indiana University's Department of Police Administration. A summary of its findings, from "Alcohol and Road Accidents" (Australia Legislative Council, 1970; link: @):

The probability of accident involvement increases rapidly at alcohol levels over .08 percent and becomes extremely high at levels over .15 percent. ... Drivers with an alcohol level of .06 percent have an estimated probability of causing an accident double that of a sober driver. Drivers with .10 percent B.A.L. are from six to seven times as likely to cause an accident as one with .00 percent alcohol level. When the .15 percent alcohol level is reached, the probability of causing an accident is estimated at more than 25 times the probability for that of a sober driver.

* Robert F. Borkenstein papers, Indiana University (follow link to see entire study): @
* "Professor Robert F. Borkenstein -- An Appreciation of His Life and Work" (from The Robert F. Borkenstein Course, Center for Studies of Law in Action, Indiana University): @
* "Grand Rapids Effects Revisited: Accidents, Alcohol and Risk" (Kruger et al., 1995, from Schaffer Library of Drug Policy): @
* "Driver Characteristics and Impairment at Various BACs" (from National Highway Traffic Safety Administration): @
* "Alcohol-Related Morbidity and Mortality" (from National Institute on Alcohol Abuse and Alcoholism, 2003): @ 

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