Are DUI Checkpoints Legal in North Carolina? Your Rights

Are DUI Checkpoints Legal in North Carolina? Your Rights

In Criminal by Greensboro Attorney

The short version

Yes, DWI checkpoints are legal in North Carolina, but only when police follow G.S. 20-16.3A: a pattern set in advance, a written policy and a police vehicle with its blue light on. If they skip a required step, the evidence from the stop can be challenged.

This guide is for drivers stopped, arrested or turned around at a checkpoint in Greensboro, High Point or elsewhere in North Carolina. Many believe a checkpoint must be announced in advance, and the statute has no such rule.

Whether your checkpoint met the law is a question your lawyer tests with the agency’s own records.

Arrested at a checkpoint? Call (336) 379-0539 today, because some license deadlines start within days.

A DUI checkpoint is a planned stop of drivers in a set pattern to check licenses and sobriety, and North Carolina law allows it. The statute calls it a “checking station,” and many people call it a sobriety checkpoint.

Any law enforcement agency may run checking stations to check compliance with the motor vehicle laws in Chapter 20. Every checkpoint must also meet the United States and North Carolina Constitutions.

The U.S. Supreme Court approved sobriety checkpoints in Michigan Dept. of State Police v. Sitz (1990). It held that the public safety benefit outweighs a brief stop under the Fourth Amendment.

In City of Indianapolis v. Edmond (2000), the Court set a limit and struck down a checkpoint whose main purpose was finding ordinary crime, such as drugs.

North Carolina adds its own rules on top. This is the notice rule, word for word:

“Advise the public that an authorized checking station is being operated by having, at a minimum, one law enforcement vehicle with its blue light in operation during the conducting of the checking station.” G.S. 20-16.3A(a)(3)

Rules differ from state to state, and this guide covers North Carolina law only.

Whether your stop met these rules is the first thing to test, so see what a Greensboro DWI lawyer checks first.

The statute sets these rules, and the courts add a purpose test. Each row below comes from G.S. 20-16.3A.

RequirementWhat the Law SaysSource
Pattern set in advanceWhich cars are stopped, and which drivers show papers, is decided before the checkpoint startsG.S. 20-16.3A(a)(2)
Written policyGuidelines for the pattern must be in a written policy; the pattern itself need not be writtenG.S. 20-16.3A(a)(2a)
No officer choiceNo individual officer may pick which car is stoppedG.S. 20-16.3A(a)(2a)
No targeting by vehicle typeThe pattern cannot be based on a vehicle type, except commercial motor vehiclesG.S. 20-16.3A(a1)
Blue lightAt least one law enforcement vehicle with its blue light onG.S. 20-16.3A(a)(3)
PlacementShould be random or statistically indicated, but this rule cannot be used to suppress evidenceG.S. 20-16.3A(d)

Key point: The pattern itself does not have to be written down. The guidelines for it must be in a written policy, either the agency’s own or another agency’s.

How Courts Judge a Checkpoint

A judge first asks about the checkpoint’s main purpose. Traffic safety, such as catching impaired drivers, is allowed, and fishing for general crime is not.

Next comes reasonableness under Brown v. Texas. The judge weighs how serious the problem is, how well the checkpoint addresses it, and how much it intrudes on drivers.

In State v. Veazey (2008), the Court of Appeals said that when evidence points to an unlawful purpose, the trial judge must look closely and make findings on purpose.

In State v. McDonald (2015), the court required findings showing the judge really applied the three-part balancing test. The UNC School of Government explains the two-step test in detail.

Your Rights at a Checkpoint

You must give your name and address and show your license when an officer in uniform asks. Refusing is a Class 2 misdemeanor under G.S. 20-29.

Beyond that, you can politely decline to answer questions about where you were or what you drank. What you say can be used.

The stop is meant to be short. An officer may hold you longer only after deciding there is reasonable suspicion that you broke a law, under G.S. 20-16.3A(b).

Probable cause is a higher bar, and an arrest needs it. The difference matters at every stop, so here is reasonable suspicion versus probable cause explained.

Tip: Hand over your license when asked and keep your answers short and polite. Avoid the mistakes drivers make during a DWI stop.

What Happens At the Checkpoint?

A checkpoint stop starts as a short check, and each step up needs more proof.

Staircase showing a North Carolina checkpoint stop, then signs of drinking that allow a screening test, then reasonable suspicion to hold the driver, then probable cause for an arrest.

First, officers stop cars by the pattern set in advance. They may ask for your license, registration or insurance information.

Second, the officer may decide during the stop that you had been drinking, or may see an open container. The officer may then ask for a roadside screening test and must weigh its result, or your refusal, in deciding on reasonable suspicion.

Third, with reasonable suspicion the officer may hold you to investigate further.

Fourth, probable cause allows an arrest. Before the chemical test, a chemical analyst or an authorized officer must tell you your implied-consent rights, out loud and in writing.

Testing may not be delayed more than 30 minutes for you to call a lawyer or get a witness, under G.S. 20-16.2(a)(6).

If the test was a blood draw, see how long blood results take after arrest.

Your license and your record are both on the line

Talk to a DWI and traffic lawyer before your court date

Deadlines in traffic and DWI cases run from the day of the charge. The earlier we see your paperwork, the more options you usually have.

Call (336) 379-0539Free consultation with a Greensboro attorney

Refusing Tests at a Checkpoint: What Each Refusal Costs

Refusing a test before arrest and refusing one after arrest lead to very different results.

Diagram: refusing a roadside screening test before arrest can be used as evidence, while refusing the chemical test after arrest leads to a 30-day revocation plus a 12-month DMV revocation running at the same time in North Carolina.

The Roadside Screening Test (Before Arrest)

Being asked to blow into a roadside screening device is not an arrest, under G.S. 20-16.3. Your refusal, or a positive or negative result (not the number), can be used to decide whether there are reasonable grounds to charge you.

That statute attaches no license revocation to refusing the screening test. The refusal still becomes evidence against you.

Field Sobriety Tests

Field sobriety tests are the physical tests an officer asks you to do at the roadside. Once you are charged, a refusal to perform them is admissible evidence under G.S. 20-139.1(f).

Here is more on the roadside tests officers use and how they are scored.

The Chemical Test After Arrest

Refusing the chemical test after arrest costs the most. Your license is revoked right away for at least 30 days under G.S. 20-16.5.

DMV also revokes your license for 12 months under G.S. 20-16.2(d). The two revocations run at the same time, not one after the other.

Warning: The 12-month revocation starts on the 30th calendar day after DMV mails its order, unless you ask in writing for a hearing first.

If DMV mails the order on March 1, the 12-month revocation starts March 31 unless your written hearing request is in before that day.

The refusal is also admissible at your trial. Whether you can drive during these periods depends on the revocation, so read about driving privileges after a refusal or arrest.

Refused a test at a checkpoint? Call (336) 379-0539 before the hearing deadline passes.

Can You Turn Around to Avoid a Checkpoint?

A legal turn before a checkpoint is not enough, by itself, for an officer to stop you. Combined with other facts it can be, as the North Carolina Supreme Court held in State v. Foreman (2000).

“a legal turn, by itself, is not sufficient to establish a reasonable, articulable suspicion” State v. Foreman (N.C. 2000)

In Foreman, it was about 2 a.m., right after a “DWI Checkpoint Ahead” sign. The driver made quick turns and parked dark in a driveway.

The court looked at “the time, place and manner” of the turn. Taken together, those facts gave the officer reason to stop the car.

So if police think you avoided a checkpoint, the question is whether all the facts added up to reasonable suspicion. Turning around is a risk, never a safe plan.

Whether the officer had enough is argued on your facts, by your lawyer.

Common Issues with Checkpoints: How a Checkpoint DWI Gets Challenged

When a checkpoint breaks the rules, the usual remedy is a motion to suppress the evidence from the stop. A win can decide the case, though it is not an automatic dismissal.

No Written Policy

In State v. White (2014), the Court of Appeals treated a missing written policy as a substantial violation of G.S. 20-16.3A. It held that this warranted suppressing the evidence.

Wrong Purpose or No Real Findings

A checkpoint set up to look for general crime fails under Edmond. A judge ruling on the motion must make the purpose and balancing findings that Veazey and McDonald require.

Officer Choice or a Vehicle-Type Pattern

No officer may pick which car to stop. A pattern aimed at one type of vehicle breaks G.S. 20-16.3A(a1), unless it covers commercial motor vehicles.

Note: The statute tells agencies to avoid repeating the same location. That placement rule, though, cannot be used to suppress evidence.

What Your Lawyer Asks For

Your lawyer asks for the written policy, the pattern, any supervisor approval and the agency’s records. The officers’ reports and any video come next.

Gaps in those records can support a motion, depending on the facts of your case. Other charges from the same stop are handled through our full criminal defense practice in Guilford County.

When Should You Call an Attorney?

Call as soon as you can after a checkpoint arrest. Two license deadlines start early.

Before the 10-Day Hearing Window Closes

A written request to contest the 30-day revocation is due at your first appearance or within 10 days of its effective date, under G.S. 20-16.5(g).

Before the Refusal Hearing Deadline

If you refused the chemical test, the written DMV hearing request must be in before the 30th day after the order is mailed.

Before You Talk About the Stop

Do not discuss the checkpoint with anyone before you get advice. Have a Greensboro DWI defense lawyer on your side before court.

DWI penalties depend on the sentencing level the judge finds, and that same page explains the levels.

Frequently Asked Questions

Do DUI checkpoints have to be announced in advance in NC?

No. G.S. 20-16.3A has no advance announcement rule. The notice the law requires is at the checkpoint itself: at least one law enforcement vehicle with its blue light on while the checkpoint runs. A news report ahead of time is not a legal requirement.

Can you refuse to stop at a DWI checkpoint?

No. A checkpoint run under G.S. 20-16.3A is a lawful stop, so stop when an officer signals you. Whether the checkpoint met the pattern, policy and blue light rules is argued later in court. Your lawyer raises that challenge with the agency’s records.

Do you have to answer questions at a DUI checkpoint?

You must give your name and address and show your license to an officer in uniform. Refusing is a Class 2 misdemeanor. You can politely decline other questions, such as where you were or what you drank. Anything you do say can be used as evidence.

Are license checkpoints legal in NC?

Yes. G.S. 20-16.3A lets agencies run checking stations to check compliance with any Chapter 20 rule, including licenses. The same rules apply: a pattern set in advance, a written policy and a blue light. The main purpose must be legitimate, never general crime control.

Do police have to stop every car at a checkpoint?

No. Police follow a pattern set before the checkpoint starts, and no officer may choose which car to stop. The pattern cannot target one type of vehicle, except commercial motor vehicles, under G.S. 20-16.3A(a1).

Can police hold a checkpoint in the same spot every weekend?

The statute says placement should be random or statistically indicated, and agencies must avoid placing checkpoints repeatedly in the same location. That rule, though, is not grounds to suppress evidence or a defense to the charge. Your lawyer looks at the other rules instead.

Can I refuse a breathalyzer at a checkpoint?

Refusing the roadside screening test brings no license revocation under G.S. 20-16.3, but the refusal is evidence and can help the officer decide to arrest you. Refusing the chemical test after arrest brings a 30-day revocation now, plus a 12-month DMV revocation that runs at the same time.

What if the police did not follow the checkpoint rules?

Your lawyer can file a motion to suppress the evidence from the stop. In State v. White, a missing written policy led to suppression. Whether a violation is serious enough depends on the facts of your case and the agency’s records.

Do I need a lawyer after a checkpoint DWI arrest?

Yes. License deadlines start within days, and a checkpoint challenge depends on records your lawyer must request early. A lawyer tests the pattern, the policy and the officer’s reasons for holding you. The outcome depends on the facts of your case.

Chad D. Garrett
Founding attorney

Chad D. Garrett

Criminal Defense, DWI and Traffic Law

Chad practices criminal defense, DWI and traffic law in Guilford County and across North Carolina. He is the author of ABC's of Traffic Law, ABC's of DWI and DWI Essentials.

  • Continuing Legal Education Instructor of the Year, North Carolina Bar Association
  • Former President, Greensboro Criminal Defense Lawyers Association
  • Board Member, Criminal Justice Section, North Carolina Bar Association
Read Chad's full profile →

Talk to a Greensboro traffic and DWI lawyer today

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Garrett, Walker, Aycoth & Olson, Attorneys at Law
317 South Greene St, Greensboro, NC 27401
(336) 379-0539

Call (336) 379-0539

This article explains North Carolina law in general terms. It is not legal advice about your case, and laws, penalties and court procedures change. Contact an attorney about your specific situation.