The 2012 National Survey on Distracted Driving Attitudes and Behaviors (NSDDAB) is the second in a series of surveys on distracted driving that have provided data to help further the understanding of driving behavior and to contribute to the development of countermeasures and interventions to reduce distracted driving on the Nation's roadways. Like the previous 2010 study, this survey yields national estimates of behavior and attitudes toward distracted driving in the United States. The present study differs from the earlier study in that it developed and used a driver typology based on the...