I was watching one of those "Crazy fools being chased by the police" programmes on TV the other night. They showed a video where a policeman stopped a guy for speeding, but ended up suspecting the guy had been drinking. In America they give "sobriety tests" where they get you to do things like walk along the white line on the side of the road, or say the alphabet, to make sure you're not drunk.
I thought "What tosh, a breathalyser is far more reliable!" but then I got to thinking: A breathalyser only tells the policeman if you have alcohol in your breath, they are notorious for registering red if you drink a half and then get straight in the car. Also they don't have any kind of gauging over whether or not you are in a fit state to drive: it may say you are OK but you might still be wobbling about! However, a sobriety test shows how quickly someone is reacting to situations (balance is a key indicator to this) and helps indicate the capability of the individual rather than a fixed value of alcohol concentration.
I think they should still be given a blood or urine test when they get to the station (possibly a second one a fixed time later so they can extrapolate to the time of driving).
Does anyone have any thoughts on whether they would prefer a roadside breathalyser or roadside "sobriety testing" to reduce drink driving?
I thought "What tosh, a breathalyser is far more reliable!" but then I got to thinking: A breathalyser only tells the policeman if you have alcohol in your breath, they are notorious for registering red if you drink a half and then get straight in the car. Also they don't have any kind of gauging over whether or not you are in a fit state to drive: it may say you are OK but you might still be wobbling about! However, a sobriety test shows how quickly someone is reacting to situations (balance is a key indicator to this) and helps indicate the capability of the individual rather than a fixed value of alcohol concentration.
I think they should still be given a blood or urine test when they get to the station (possibly a second one a fixed time later so they can extrapolate to the time of driving).
Does anyone have any thoughts on whether they would prefer a roadside breathalyser or roadside "sobriety testing" to reduce drink driving?