Methods

Through contacts at the NHTSA Regional Offices and through State Highway Safety Offices, researchers identified the entity in each State and United States territory most likely to be able to discuss cellular telephone-based reporting of impaired drivers.  Each person was then contacted via telephone and was asked to provide information on:

• Type of program
• Program name
• Program housed
• Program began
• Reason for initiation
• How does the program operate
• Phone number used
• How is program announced or promoted
• Is funding required
• Has any evaluation been conducted
• Some problems with program
• Additional information
• Contact information

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