Motorists criticize federal drunk driving study

Motorists criticize federal drunk driving study

February 20, 2014 Updated Feb 20, 2014 at 12:54 PM CDT

The federal government says its periodic roadside survey on motorists' drinking and drug-taking habits is anonymous and entirely voluntary.

But the National Roadside Survey of Alcohol and Drugged Driving is being criticized by some. Find out more about this story by watching the video below.