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Published on 2/25/2026, 1:34:00 PM

What Really Happens During a Maryland DUI Traffic Stop

If you've been pulled over for a DUI in Maryland, the situation can feel overwhelming and intimidating. But knowing what happens during a traffic stop can help make the experience less stressful. In this post, we'll break down the typical steps that happen during a DUI traffic stop in Maryland ' from the initial stop to the arrest and potential outcomes.

1. The Stop: Vehicle in Motion

The first phase of a DUI stop begins when the officer observes something that prompts them to pull over your vehicle. This could be anything from a traffic violation like speeding or running a red light, to an equipment issue such as a broken taillight. However, in DUI cases, driving behavior is often the key factor.

To legally stop a vehicle, the officer needs to have probable cause or reasonable suspicion. This means they must have a valid reason to pull you over based on your driving or an equipment violation. For example, the officer may notice swerving, erratic driving, or the smell of alcohol that prompts them to make the stop.

2. Personal Contact

Once you've been pulled over, the officer will approach your vehicle to make contact. This is when they'll start observing your behavior and interactions for signs of impairment. Trained in National Highway Traffic Safety Administration (NHSTA) Standardized Field Sobriety Tests (SFSTs), officers are specifically looking for clues that suggest you may be under the influence of alcohol or drugs.

Here's what typically happens during personal contact:

  • Divided attention test: The officer may ask for your license and registration. This simple task allows them to gauge your ability to focus and coordinate.
  • Questions about drinking: The officer will likely ask if you've been drinking. Your answer, combined with any odor of alcohol, can further fuel their suspicion and lead them to request that you exit the vehicle.
  • Odor of alcohol: If the officer smells alcohol, this is often a significant factor in their decision to continue the stop and potentially ask you to step out of the car.

3. Pre-Arrest Screening: The SFSTs

If the officer has enough suspicion, they will likely ask you to perform a Standardized Field Sobriety Test (SFSTs). These tests are designed to assess your physical coordination and mental focus, both of which can be impaired by alcohol.

Most drivers agree to take the SFSTs, and the officer will be looking for "clues" that suggest impairment. The results of these tests can be used to establish probable cause for an arrest.

Common SFSTs include:

  • Horizontal Gaze Nystagmus (HGN): The officer will ask you to follow an object with your eyes to check for involuntary eye jerking, which can indicate intoxication.
  • Walk-and-turn: This test checks your balance and ability to follow instructions. Failing this task may signal impairment.
  • One-leg stand: You will be asked to stand on one leg. Losing balance or difficulty completing the task is a sign the officer might use to suspect impairment.

4. Arrest and Breath Test

If the officer concludes there is enough evidence to believe you are impaired, they will place you under arrest. At this point, you will typically be asked to take a breath test (breathalyzer) to measure your blood alcohol concentration (BAC).

  • Refusal or consent: If you refuse the breath test, you may face legal consequences, including automatic license suspension. On the other hand, consenting to the test is part of the process and the results can either confirm or disprove impairment.

  • Citation and Release: After your arrest, if the officer believes you are not a danger to yourself or others, you may be issued a citation and released to a sober driver.

  • Detention and Processing: If the officer deems you to be too impaired to safely leave, you may be taken to a detention center for processing, which could involve additional testing, including blood draws. From there, you will enter the commissioner/bail process, where a judge will decide on bail before your case moves forward.

What You Need to Know About DUI Stops

While getting pulled over for a DUI can be unnerving, knowing what's ahead can help you stay calm and make more informed decisions. Here are some key things to remember during a DUI stop:

  • Cooperation is important: While you do have rights, being cooperative with the officer may help the situation go more smoothly. It will also make for a much better trial if the factfinder believes you weren't fighting authority, you just knew your rights.

  • Refusal of tests: Refusing to take a breath test can be used against you in court, so it's essential to know the potential consequences.

  • Contact a lawyer: If arrested for a DUI, it's critical to contact an experienced DUI defense attorney as soon as possible. They can guide you through the legal process and help protect your rights.

Need Legal Help with Your DUI Case?

If you've been arrested for a DUI in Maryland, don't hesitate to reach out for legal assistance. At FrizWoods, we offer experienced legal defense for DUI cases and are here to help you understand your options.

For more information about DUI defense in Maryland, or to speak with a qualified DUI attorney, visit our DUI Defense page.

This article serves as a companion to the video you'll watch, which will take you through the DUI stop process with a visual walkthrough and deeper insights. Stay informed, stay safe, and remember that knowledge is your best ally if you're ever pulled over.




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