United States Department of Transportation
i
2011 National Survey of Speeding Attitudes and Behaviors [Traffic Tech]
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2013-12-01
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Series: NHTSA BSR Traffic Tech
[PDF-548.41 KB]
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Abstract:The 2011 National Survey of Speeding Attitudes and Behavior (NSSAB) is the third in a series of surveys on speeding that have provided data to help further the understanding of driving behavior and to contribute to the development of countermeasures and interventions to reduce speeding. Like the previous studies, this survey yields national estimates of behavior and attitudes toward speeding in the United States. This study differs from the earlier studies in that it developed and used a driver typology based on the pattern of responses to six speeding behavior questions. Cluster analysis identified three distinct groups of drivers with similar overall behavioral tendencies. Among those drivers categorized, 30 percent are nonspeeders, 40 percent are sometime speeders, and 30 percent are speeders. Driver type is a powerful predictor of norms and attitudes towards speeding behavior, speeding countermeasures, experience with sanctions and crash experience. Drivers classified as speeders tended to be male and to be younger when compared to nonspeeders. One-half of the drivers aged 16 to 20 were classified as speeders, as compared to 15 percent of drivers aged 65 or older. Speeders were also more likely to have higher household incomes; 42 percent of drivers with annual household incomes exceeding $100,000 were classified as speeders, while only 25 percent of drivers with annual household incomes of $30,000 or less were in this driver type category.
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