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Drug-impaired driving
Drug-Impaired Driving —or Drug Driving— in the context of its legal definition, is the act of driving a motor vehicle while under the influence of an impairing substance. DUID, or Driving Under the Influence of Drugs, is prohibited in many countries.
Several American states and European countries now have "per se" DUID laws that presume a driver is impaired if they are found to have any detectable quantity of controlled substances in their body while operating an automobile and that the driver has no doctor's prescription for the substance. This is similar to the "per se" DUI/DWI laws that presume a driver is impaired when their blood alcohol content is above a certain level (currently 0.08% in most of the United States and 0.05% in Utah). There is some controversy with "per se" DUID laws in that a driver with any detectable quantity of controlled substances may not in fact be impaired and the detectable quantity in blood or sweat may be only the remnants of drug use in days or weeks past.
Drug-impaired driving is against road traffic safety. Research on factors associated with engaging in DUID is receiving increasing attention to develop more effective countermeasures.
According to the US National Highway Traffic Safety Administration's Drug Evaluation and Classification program (DEC), a drug is "any substance that, when taken into the human body, can impair the ability of the person to operate a vehicle safely." Under this definition, alcohol would be classified as a drug. For the purposes of this article, drug impaired driving is the use of drugs other than alcohol and the effect on driving.
Testing for alcohol concentration is performed using three methods – blood, breath, or urine. For law enforcement purposes, breath is the preferred method, since results are available almost instantaneously. Drug testing screens are typically performed in scientific laboratories so that the results will be admissible in evidence at trial.
Due to the overwhelming number of impairing substances that are not alcohol, drugs are classified into different categories for detection purposes. Drug impaired drivers still show impairment during the battery of standardized field sobriety tests, but there are additional tests to help detect drug impaired driving.
The Drug Evaluation and Classification program is designed to detect a drug impaired driver and classify the categories of drugs present in their system.
The DEC program breaks down detection into a 12-step process that a government-certified Drug Recognition Expert (DRE) can use to determine the category or categories of drugs that a suspect is impaired by. The 12 steps are
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Drug-impaired driving AI simulator
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Drug-impaired driving
Drug-Impaired Driving —or Drug Driving— in the context of its legal definition, is the act of driving a motor vehicle while under the influence of an impairing substance. DUID, or Driving Under the Influence of Drugs, is prohibited in many countries.
Several American states and European countries now have "per se" DUID laws that presume a driver is impaired if they are found to have any detectable quantity of controlled substances in their body while operating an automobile and that the driver has no doctor's prescription for the substance. This is similar to the "per se" DUI/DWI laws that presume a driver is impaired when their blood alcohol content is above a certain level (currently 0.08% in most of the United States and 0.05% in Utah). There is some controversy with "per se" DUID laws in that a driver with any detectable quantity of controlled substances may not in fact be impaired and the detectable quantity in blood or sweat may be only the remnants of drug use in days or weeks past.
Drug-impaired driving is against road traffic safety. Research on factors associated with engaging in DUID is receiving increasing attention to develop more effective countermeasures.
According to the US National Highway Traffic Safety Administration's Drug Evaluation and Classification program (DEC), a drug is "any substance that, when taken into the human body, can impair the ability of the person to operate a vehicle safely." Under this definition, alcohol would be classified as a drug. For the purposes of this article, drug impaired driving is the use of drugs other than alcohol and the effect on driving.
Testing for alcohol concentration is performed using three methods – blood, breath, or urine. For law enforcement purposes, breath is the preferred method, since results are available almost instantaneously. Drug testing screens are typically performed in scientific laboratories so that the results will be admissible in evidence at trial.
Due to the overwhelming number of impairing substances that are not alcohol, drugs are classified into different categories for detection purposes. Drug impaired drivers still show impairment during the battery of standardized field sobriety tests, but there are additional tests to help detect drug impaired driving.
The Drug Evaluation and Classification program is designed to detect a drug impaired driver and classify the categories of drugs present in their system.
The DEC program breaks down detection into a 12-step process that a government-certified Drug Recognition Expert (DRE) can use to determine the category or categories of drugs that a suspect is impaired by. The 12 steps are