In the event that the officer sees proof that may demonstrate that the driver is inebriated when he approaches the vehicle then the officer could continue as though the driver is associated with drunk driving Such proof may incorporate the smell of liquor on the driver's breath or open liquor holders in the vehicle, in addition to other things.

When the driver has been halted then the police need to assemble proof to decide whether the driver is tanked by state law. The initial phase in this procedure is typically a visual examination of the driver. On the off chance that the driver seems alcoholic, the officer may lead field moderation tests, (for example, recounting the letters in order, remaining on one leg) and a breathalyzer test.

Whenever dependent on the data gathered, the officer trusts that the driver is smashed then the officer will capture the driver and take him to the police headquarters for a synthetic test to decide his or her blood liquor content dimension. At that point the case will continue or the charges will be dropped by the discoveries of the blood test.