Impaired Driving

Incidence of Impaired Driving

For one of every 90 miles driven in Hawaii in 1999, a person with a blood alcohol concentration (BAC) >.08 sat behind the wheel. Police in Hawaii reported 676 crashes involving a driver or pedestrian with a BAC of .01 or more. Formulas developed by NHTSA were used to estimate the number of alcohol-related crashes where alcohol involvement was not reported by the police. An estimated total of 36,800 crashes in Hawaii involved alcohol which killed 43 and injured an estimated 1,560 people.

Impaired Driving by Blood Alcohol Concentration (BAC)

In 1999, Hawaii drivers with:

  • BACs of .10 and above were involved in an estimated 35,000 crashes that killed 31 and injured 1,400
  • BACs between .08-.09 were involved in an estimated 600 crashes that killed 3 and injured 60
  • Positive BACs below .08 were involved in an estimated 1,200 crashes that killed 9 and injured 100

Costs

Alcohol is a factor in 27% of Hawaii’s crash costs. Alcohol-related crashes in Hawaii cost the public an estimated $0.5 billion in 1999, including $0.2 billion in monetary costs and almost $0.3 billion in quality of life losses. (For definitions of the cost categories, see the definitions fact sheet.) Alcohol-related crashes are deadlier and more serious than other crashes. People other than the drinking driver paid $0.2 billion of the alcohol-related crash bill.

Costs per Alcohol-Related Injury

The average alcohol-related fatality in Hawaii costs $5.3 million:

  • $1.3 million in monetary costs
  • $4.0 million in quality of life losses

The estimated cost per injured survivor of an alcohol-related crash averaged $150,000:

  • $63,000 in monetary costs
  • $87,000 in quality of life losses

Costs per Mile Driven

Crash costs in Hawaii averaged:

  • $9.40 per mile driven at BACs of .10 and above
  • $4.00 per mile driven at BACs between .08-.09
  • $0.20 per mile driven at BACs of .00

Costs per Drink

The societal costs of alcohol-related crashes in Hawaii averaged $0.80 per drink consumed. People other than the drinking driver paid $0.40 per drink.

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