RBT, or random breath test, is a crucial element in preventing drunk driving incidents. However, there are various ways in which RBT is referred to depending on geographic and industry factors. Some of the synonyms for RBT include alcohol breath test, breathalyzer test, breath test, roadside alcohol testing, breath alcohol testing, Mobile Breath Testing (MBT), and Sobriety Checkpoint. In some regions, RBT is called DUI checkpoint, which means driving under the influence checkpoint. All these synonyms refer to the same process of testing breath alcohol concentration to prevent motorists from driving under the influence of alcohol.