Enforcement and Public Information Strategies for DWI General Deterrence: The Boise City, Idaho Experience
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1987-08-01
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Alternative Title:Enforcement and public information strategies for driving while intoxicated general deterrence : the Boise City, Idaho experience
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Edition:Final report
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Abstract:This report summarizes the results of a field test of attempting to achieve driving while intoxicated (DWI) general deterrence by combining enforcement efforts with public information and education (PI&E) activities designed to heighten public awareness of the specific enforcement techniques being employed. The intent was to thereby increase the general driving public's perceived risk of arrest for DWI, deter them from that behavior and in turn affect alcohol-related crashes. Such a program was implemented in Boise City, Idaho. Public awareness and alcohol-related and nighttime crash statistics were monitored both there and in a comparison jurisdiction (Billings, Montana). Public awareness of DWI enforcement activities was higher in Boise than Billings but actually decreased in Boise from the level measured before program implementation. It is hypothesized that the high initial level was due more to a recent law change than to DWI enforcement. The perceived risk of arrest was again higher in Boise than in Billings but did not increase appreciably during the project period. Analysis of the crash data revealed no significant change in Boise relative to Billings. These findings contrast with those found in Clearwater/Largo, Florida (DOT HS 807 066) where significant reductions were achieved. Possible explanations for this difference include the lack of use of checkpoints in Boise, high initial perceptions of enforcement activities and risk of arrest, an actual decrease in DWI arrest volume, difficulties in achieving production and play of television p ublic service advertisements and prior decreases in affectable crashes which may have made it difficult to achieve further reductions. /Abstract from report summary page/
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