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Drugs at the wheel in Cala Ratjada: One crash, many questions

How Reliable Are Roadside Drug Tests?

Roadside drug tests can detect use, but blood analysis is often needed to confirm impairment in Spain.

Published: April 22, 2026
Drugs at the wheel in Cala Ratjada: One crash, many questions

Answer

How reliable are roadside drug tests for drivers in Spain?

Roadside drug tests are useful for detecting recent consumption, but they do not always show how impaired a driver was at the time. In Spain, more detailed testing such as blood analysis is often needed to strengthen the legal case.

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