Drunk driving
Videos
Drunk driving is the act of driving under the influence of alcohol. A small increase in the blood alcohol content increases the relative risk of a motor vehicle crash.
A police officer in Brisbane, Australia, conducts a random breath test on a driver.
A law enforcement grade Breathalyzer, specifically an Alco-Sensor IV
An ignition interlock device (red arrow) in a Scania bus
US poster from 1994 with the message that "drinking and driving don't mix"
Field sobriety testing
Videos
Field sobriety tests, also referred to as standardized field sobriety tests, are a battery of tests used by police officers to determine if a person suspected of impaired driving is intoxicated with a
Drunk driving
…is unconscious after a crash and officers have taken a blood sample. With the advent of a scientific test for BAC, law enforcement regimes moved from field sobriety testing (e.g., asking the suspect to stand on one leg) to having more than a prescribed amount of blood alcohol content while driving. However, this does not…
Sobriety checkpoint in Stralsund, Germany