• Drunk Drivers Statistics

The prosecutor will attempt to show that the defendant's driving symptoms were. For law enforcement entitled 'Guide for Detecting Drunk Drivers at Night.'

Drunk Drivers Statistics

Image via Our friends at the (NHTSA) have created a booklet for law enforcement called “Guide for Detecting Drunk Drivers at Night.” This guide sets forth some of the most common and reliable indicators of drunk driving, such as: Turning with a wide radius; Straddling the center or land etc. What’s more, they have assigned a probability of intoxication to each of the indicators. For example, a person who turns with a wide radius will have a blood-alcohol concentration of.10 or higher 65 out of 100 times. A person who appears drunk will have a blood-alcohol concentration of.10 or higher 60 times out of 100. There is also a procedure for calculating multiple factors, “When two or more cues are seen, add ten to the highest value among the cues observed.” If we see turning with a wide radius and a suspect who appears drunk, we take the higher number and add 10 (65 + 10 = 75). Thus, 25 people out of 100 who appear drunk and turn with a wide radius are not intoxicated. “On cross examination, the NHTSA research figures can be used to show thatindividuals exhibiting these symptoms are not under the influence.” Taylor & Oberman, Drunk Driving Defense, 6th Ed., p.