Driving test test was introduced in France in 1899. To make the test fair, written driving tests are normally standardized tests, meaning that everyone takes the same test under the same conditions. In many places the test can be done by computer, and typically consists of questions related to road signs and traffic laws of the respective country, but may also include questions related to road safety best practices or technical questions regarding vehicle operation and maintenance. In many countries, passing a written driving test is required to be allowed to sit the practical test. Depending on the country and on the
Drunk driving in the United States (see blood alcohol test assumptions). If it is determined after arrest that the person's BAC is not at or above the legal limit of 0.08%, they will probably be released without any charges. One may, however, still be charged with driving under the influence of alcohol on the basis of driving symptoms, observed impairment, admissions or performance on the field sobriety tests. And if there is suspicion of drug usage, a blood or urine test is likely, or at least the testimony of a specially trained officer called a Drug Recognition Expert (DRE). Assuming sufficient evidence of impaired driving from