The Legality of Sobriety Checkpoints

In many states across the nation, police officers set updescribing the place to be searched, and the persons
DUI checkpoints in order to catch intoxicated driversor things to be seized."
off-guard. Also referred to as "sobriety checkpoints,"The fourth amendment thus protects people from
they are usually set up between 9pm and 2am inbeing stopped without probable cause that they have
areas where drunk driving is commonly reported. Atcommitted a crime or without a search warrant.
these checkpoints, all drivers on the road must slowTherefore, the constitutionality of the sobriety
down and stop as an officer asks about their drinkingcheckpoints was contested in Michigan v. Sitz (1990).
earlier on in the evening. Sometimes not all cars areThe supreme court ruled in a split decision that DUI
stopped, but rather every few vehicles or only thosecheckpoints were constitutional, even though they
drivers of whom the officer has reasonable suspicionviolate individual protected freedoms under the fourth
of drunk driving. In addition, sometimes officers mayamendment, because they are necessary to stop
stop any car that turns around and heads the oppositedrunk driving and are effective at preventing it.
direction when the driver sees the checkpoint ahead.However, dissenting judges argued that research
These checkpoints are part of a larger lawshows that sobriety checkpoints are ineffective and
enforcement strategy to fight against drunk driving.may even have negative effects.
The checkpoints exist in order to make the public feelDespite the court ruling that DUI checkpoints are
that the likelihood of being caught while driving underconstitutional, many states have had a variety of
the influence is very high, and thus deter them fromdifferent court cases challenge the legality of DUI
doing so.checkpoints under their respective state constitutions.
DUI checkpoints bring into question the fourthRhode Island is one of these states. Although many
amendment of the United States Constitution, whichstates have upheld the checkpoints under state law,
states that:because of the 1989 court case Primental v. Rhode
"The right of the people to be secure in their persons,Island, DUI checkpoints are considered unconstitutional
houses, papers, and effects, against unreasonablein Rhode Island.
searches and seizures, shall not be violated, and noFor more information about drunk driving laws in
Warrants shall issue, but upon probable cause,Rhode Island, visit the website of Rhode Island drunk
supported by Oath or affirmation, and particularlydriving defense lawyer James Powderly.