If you see a sobriety checkpoint in and around Plano, Texas, you rarely expect to be charged with drunk driving. You probably do not believe that you have consumed alcohol beyond the legal limit but while performing the roadside tests, it may be determined that you are drunk beyond the legal limit. In fact, you may be facing driving while intoxicated charges.
In certain cases, a person may have consumed a completely legal substance, for example, prescription medication; however, according to the laws of the state, that person can also be charged with drunk driving. Also, the law does not differentiate between people under the influence of alcohol and people who have taken prescription drugs or over-the-counter medications.