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Last Modified on Apr 10, 2026
Being pulled over as part of a Maryland DUI checkpoint can be scary. Knowing what to expect when you roll down the window and speak with the officer can help to take some of the stress out of the experience.
What Is a DUI Checkpoint?
A DUI checkpoint is a roadblock that allows police officers to stop drivers without specific suspicion of wrongdoing to check for signs of intoxication. While it’s important for you to comply with these legitimate legal procedures, you should also have a clear understanding of your rights going into checkpoints.
While these checkpoints are legal under the US Constitution and are not a violation of individual rights, they must be conducted in specific ways so as not to be considered an unlawful search and seizure. If the police do not follow the regulations regarding legal DUI checkpoints, your lawyer may be able to use that fact to get your charges dropped.
The Rationale Behind DUI Checkpoints
In 2023, 12,429 people died in car accidents involving at least one drunk driver. These fatalities accounted for 30% of all the traffic deaths in the United States for that year. DUI checkpoints give police officers a means of reducing the number of drunk drivers on the road, theoretically creating a lower risk of accidents.
Maryland law determined that DUI Checkpoints are legal. However, the checkpoint must follow specific guidelines and meet specific criteria. Knowing how DUI checkpoints operate is vital to protecting your rights.
Procedures for Valid DUI Checkpoints
To avoid violating drivers’ constitutional rights, the Old-Line State requires that law enforcement agencies establish formal procedures for DUI checkpoints. All aspects of the operation, from timing to location and procedures, must be planned, and the officers must use a neutral mathematical formula for selecting who to stop. Officers often stop every third vehicle or every fifth vehicle. At low-density checkpoints, they may stop all vehicles.
Every checkpoint must follow certain safety precautions to protect motorists, and they must be announced to the public in advance. Visible warning signs must also be posted prior to the checkpoint, and officers must keep the delay to a minimum, performing only brief initial screenings unless they see an indication that a driver is drunk.
Your Obligations at DUI Checkpoints
If you choose not to turn around and decide to go through a DUI checkpoint, you are required to stop if the police motion you to pull your vehicle over. If you don’t stop upon request, the police can pursue you and may file additional charges. You’re also required to provide the police with your driver’s license, registration, and proof of insurance when asked.
If the police believe you are intoxicated and arrest you for a DUI, you may have to undergo chemical testing, such as a breathalyzer. These tests are not optional. Maryland has implied consent laws in place, meaning that you have given consent to chemical testing by getting behind the wheel of your car. Trying to refuse chemical testing can lead to negative repercussions, including an automatic license suspension.
Understanding Your Constitutional Rights at Checkpoints
You have the legal obligation to stop at DUI checkpoints if selected for investigation, but you also have the right to protect against unlawful searches. The 4th Amendment protects against unlawful searches and seizures, while the 5th Amendment gives you the right not to incriminate yourself.
While you’re required to provide basic identification information, you don’t have to answer other questions, such as where you are traveling from and whether you have consumed alcohol. You can also refuse field sobriety testing. Field sobriety tests include things like one-leg stands, walking and turning, and horizontal gaze nystagmus assessments.
Hire a DUI Lawyer
If you were stopped at a DUI checkpoint and arrested, it is important that you seek the help you deserve. At the Law Offices of Todd K. Mohink, PA, we have the knowledge and experience you can count on. Our team will review the details of your case and represent your legal interests.
FAQs About Maryland DUI Checkpoints
Does Maryland Have DUI Checkpoints?
Maryland has DUI checkpoints. They are often set up during late nights, on weekends, and around holidays in high-traffic areas. At DUI checkpoints, officers stop either all or a specific sequence of vehicles to check for signs of drunk driving. If an officer at a checkpoint smells alcohol or notices signs of impairment, they can conduct field sobriety tests.
Can I Turn Around Before a DUI Checkpoint?
You can turn around before a DUI checkpoint if it is legal to do so. You can’t violate traffic laws or drive unsafely to avoid a checkpoint, which means you can’t make illegal U-turns or cross double-yellow lines. Engaging in these or other unlawful behaviors will give the police just cause to pull you over.
Do Checkpoints Violate the 4th Amendment?
Checkpoints don’t violate the 4th Amendment if they meet certain criteria. To be constitutional, DUI checkpoints must be clearly marked, must be in areas that are justified for a checkpoint based on local data, and field sobriety tests or breathalyzer tests are only allowed if there is probable cause. If you think your stop was not constitutional, let your lawyer know.
Do You Have to Answer if a Police Officer Asks if You’ve Been Drinking?
You do not have to answer if a police officer asks if you’ve been drinking. The 5th Amendment offers protection against self-incrimination, meaning that you are allowed to stay silent. You should not, however, lie to the police about whether you were drinking, as doing so can result in additional charges. Field sobriety tests are also voluntary, while chemical testing is not.
Hire a DUI Lawyer
If you’ve been pulled over at a checkpoint and you’re facing charges, you need to hire a DUI lawyer who can help you defend yourself and protect your rights. The team here at the Law Offices of Todd K. Mohink, PA, is here for you. We have decades of experience in defending clients against DUI charges and a reputation for providing client-centered legal advocacy. We can help you resolve your DUI case, too. Contact us to schedule an initial consultation today.
