Drogometer in Dry Law: see how the new saliva test works
Understand how the drogometer detects drugs in drivers' saliva and what changes in the Dry Law enforcement with the new Contran resolution.
TL;DR
- The Contran Resolution 1.031/2026 introduces the drogometer for traffic enforcement in Brazil.
- The device uses saliva samples to detect 12 types of psychoactive substances, including illicit drugs and some found in medications.
- It qualitatively indicates the presence or absence of substances, without measuring quantity or concentration.
- The goal is to identify drivers with altered psychomotor skills, focusing on impairment rather than therapeutic drug use.
- Refusing a drogometer test carries the same penalties as refusing a breathalyzer: a significant fine and a 12-month driving license suspension.