---
title: "What defenses work in Charlestown DUI cases?"
description: "Defenses include challenging tourist-plate stops, attacking field tests run on sandy or gravel beach roadside surfaces, examining the Charlestown PD Intoxilyzer calibration and observation period,..."
url: https://riduiguy.com/faq-items/what-defenses-work-in-charlestown-dui-cases/
date: 2026-05-23
modified: 2026-05-23
author: "The RI DUI Guy"
type: faq
lang: en
---

# What defenses work in Charlestown DUI cases?

Defenses include challenging tourist-plate stops, attacking field tests run on sandy or gravel beach roadside surfaces, examining the Charlestown PD Intoxilyzer calibration and observation period, scrutinizing saturation-patrol procedural shortcuts during holiday weekends, and refusal advisement comprehension for out of state defendants.

What defenses work in Charlestown DUI cases?(https://riduiguy.com/author/riduiguy/)2026-05-23T02:30:34-04:00