June 05, 2022 Last Updated: August 28, 2025 by Anthony Riccio
Driving under the influence (DUI) is a serious offense that carries significant legal implications. In Massachusetts, understanding OUI/DUI laws in Massachusetts and how field sobriety tests are used is crucial for every driver. This blog post will explain the essentials of these laws, the role of sobriety testing, breathalyzer evidence, what refusal means, and the consequences of a first offense.
Before examining field sobriety testing, it’s helpful to start with how the law defines impaired driving.
In Massachusetts, impaired driving is officially called Operating Under the Influence. The law applies when someone operates a vehicle while affected by alcohol or drugs. The BAC limit is 0.08% for most drivers and 0.04% for commercial drivers. Charges can also result from illegal substances or prescription medication use.
A first-time conviction can result in immediate license suspension for one year, fines ranging from $500 to $5,000, possible jail time of up to 2.5 years, and mandatory enrollment in alcohol education programs for license reinstatement.
Sobriety tests are one of the first methods officers use to evaluate drivers at roadside stops.
Field sobriety tests (FSTs) measure balance, coordination, and cognitive ability. Common examples include the Horizontal Gaze Nystagmus, the Nine-Step Heel-to-Toe Walk, and walking a straight line. Officers may also ask a driver to stand on one foot, recite the alphabet, or touch a finger to the nose. Each exercise is designed to check stability, coordination, or focus.
Chemical testing often provides measurable BAC evidence, but it carries its own implications and potential challenges in court.
Police generally use two types of breath testing devices:
Refusing a breath test carries immediate and long-term penalties:
Refusal changes how much evidence prosecutors can rely on in court.
Many drivers don’t realize they can decline roadside sobriety tests. In some cases, refusal may help shape a stronger defense.
Refusing limits the prosecution’s evidence. Without these tests, the focus shifts to breathalyzer results, which can be challenged if the machine was poorly maintained or used incorrectly.
Administrative penalties often overlap with criminal consequences, meaning you may face restrictions even before your case is resolved in court.
For a first offense, license suspension typically lasts one year, disrupting work, school, and daily life. In some cases, drivers may be eligible for a hardship license that allows limited driving for essential purposes such as employment or medical appointments, but only after meeting specific conditions.
To regain driving privileges, drivers must complete court-mandated alcohol education programs, pay reinstatement fees, and provide proof of compliance with any treatment recommendations. In addition, the RMV may require an in-person hearing to review eligibility, and drivers with prior refusals or test failures could face stricter reinstatement conditions.
In addition to RMV penalties, criminal sanctions also apply and can extend the impact well beyond your driving privileges.
These may include:
Navigating OUI/DUI laws in Massachusetts without legal guidance can increase the risk of severe penalties. A skilled attorney can challenge evidence, push for reduced consequences, and safeguard your rights throughout the process. Legal representation also helps in securing eligibility for hardship licenses, negotiating alternative sentencing options, and ensuring all RMV requirements are met for reinstatement.
Examining past cases shows how sobriety tests affect real-world outcomes.
Understanding field sobriety tests and OUI/DUI laws in Massachusetts is vital for drivers. The penalties for a first offense can be life-changing, affecting not only your license but also your career and future opportunities.
If you’re facing charges, speak with an experienced Massachusetts criminal defense attorney to protect your rights and build the strongest defense possible.
Contact Riccio Law today for a consultation and take the first step toward protecting your future.