DUI check point

Requirements for a Valid Dwi Checkpoint in Nj

New Jersey drivers frequently encounter roadside sobriety checkpoints. These checkpoints are designed to investigate whether drivers have valid licenses and whether they are driving under the influence of alcohol or driving on drugs. DWI checkpoints are fairly unique, along with border patrol checkpoints, because they permit the police to briefly stop and interview motorists even though the police do not have a warrant and generally do not have any particularized suspicion that the driver has committed a crime. Nevertheless, the United States Supreme Court has stated that these sobriety and license checkpoints do not violate the Fourth Amendment’s protection against warrantless searches and seizures.

Notably, a DWI checkpoint is only considered valid if the police employ a number of safeguards to protect the rights of innocent citizens. If you plan to drive in New Jersey, you should know the legal requirements that must be met for a valid DUI checkpoint. If you have already been arrested and are facing DWI charges after being stopped at a sobriety checkpoint, your next step should be to get in touch with an experienced DWI attorney. The highly trained DUI defense lawyers at our Hudson County firm are available immediately to assist you with charges out of Hoboken, Jersey City, Secaucus, Weehawken, Union City, Harrison, or elsewhere in New Jersey. Call (201) 793-8018 for a free consultation today.

Constitutionality of DWI Checkpoints in New Jersey

DWI checkpoints are an exception to the Constitution’s standard Fourth Amendment requirement that police first have a warrant, probable cause, or reasonable suspicion that a crime has been committed to stop and/or detain motorists. To avoid violating the Fourth Amendment, the police must follow a number of procedural safeguards to establish the validity of any DWI checkpoint conducted in NJ. If the police fail to adhere to these legal requirements, a person charged with DWI after a checkpoint stop has grounds to contest the validity of their arrest in court and potentially convince the court to suppress any evidence obtained by the police at the checkpoint or subsequent to the checkpoint stop. This includes any admissions made by the defendant and chemical test results obtained to determine the presence of drugs or alcohol in the defendant’s blood.

What Police Must Do When Running an NJ DUI Checkpoint

There are a number of procedural steps and requirements that local police must satisfy to set up a valid DWI checkpoint in New Jersey. First, the police must establish a valid reason for establishing a DWI checkpoint in the particular location at issue. Police typically meet this requirement by presenting statistical data on the number of DWI arrests made in the area where they set up the checkpoint, and a police supervisor (typically on the lieutenant or captain level, although sometimes at the police sergeant level) must have been involved in choosing the location based on these statistics or for some other valid reason.

Second, sobriety checkpoints must establish a neutral screening method for selecting which drivers are stopped and which are allowed to pass through the checkpoint without an interview or other screening. This method should not leave the decision on who to stop up to an individual officer’s discretion, given the potential for bias and profiling. The selection process must be objectively fair and neutral. Officers will typically select cars for screening based on counting the number of cars that have passed through the checkpoint. Third, checkpoints must be clearly marked and identified, typically with signs, cones, and an adequate and safe level of lighting. Officers may advertise the checkpoint and its location to alert the public about it in advance. Fourth, officers must ensure that checkpoint stops do not detain drivers for an unreasonably long period of time.

Charged With DWI at a Checkpoint in Jersey City, NJ

If you have been arrested on drunk driving charges after being stopped at a DWI checkpoint, you should consult a qualified New Jersey criminal defense attorney to discuss the facts related to your particular checkpoint arrest and whether the DWI checkpoint where you were stopped complied with federal and state law. Our experienced New Jersey DUI attorneys have successfully handled DWI cases involving first offenses, second offenses, third offenses, DWI in a school zone, and refusal to provide a breath sample for numerous clients across the state. Contact us now at (201) 793-8018 for a free consultation about your case.

Criminal defense attorney William A. Proetta is the founder of William Proetta Criminal Law. He has defended individuals facing criminal charges in New Jersey for over a decade, successfully handling thousands of cases involving charges ranging from DWI to murder. In addition to criminal defense, William also focuses on juvenile defense, restraining orders, and expungement.

He has extensive DWI defense credentials. William is one of a handful of attorneys in New Jersey recognized as a DUI Detection and Standardized Field Sobriety Testing Instructor by the National Highway Traffic Safety Administration and the International Association of Chiefs of Police. He is also certified in the maintenance and operation of the Alcotest 7110, a breath-testing device used during DWI traffic stops.

William earned both his law and undergraduate degrees from Seton Hall University. He is a member of the American Bar Association, the New Jersey State Bar Association, and the New Jersey Association for Justice. In addition to recognitions from the Super Lawyers organization, William was also named to Top 40 Criminal Attorneys Under 40 by the National Trial Lawyers Association, and he received Client’s Choice honors from Avvo.

Admitted to New Jersey Bar: 2010
Years of Legal Experience: 16
Listed as a Super Lawyer: 2024-Present
Listed as a Rising Star by Super Lawyers: 2017-2020, 2023