Efforts aimed at teen drinking and driving help reduce deaths, but so do broader alcohol control efforts. Roy Morsch/Corbis RM Stills/Getty Images hide caption

toggle caption Roy Morsch/Corbis RM Stills/Getty Images

Police officers check drivers at a sobriety checkpoint in Escondido, Calif. Lenny Ignelzi/AP hide caption

toggle caption Lenny Ignelzi/AP

Traffic Stops Persuade People To Avoid Drinking And Driving

  • Download
  • <iframe src="https://www.npr.org/player/embed/371944905/373934330" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The BACTrack Vio keychain breathalyzer and app on the iPhone at NPR headquarters in Washington, D.C. A public health researcher says tools like this could help people make better decisions about alcohol use. Meredith Rizzo/NPR hide caption

toggle caption Meredith Rizzo/NPR