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Question 4781

What is the maximum blood alcohol level allowed for drivers in general?

  1. 0.25 milligrams per liter.
  2. 0.5 grams per liter.
  3. 0.3 grams per liter.
Show answer and explanation

Correct answer: 0.5 grams per liter.

The general blood alcohol limit is 0.5 g/l, equivalent to 0.25 mg/l in breath. It applies to adult drivers who are not subject to a lower limit because they are novice drivers or because of the vehicle they drive. The figure of 0.25 mg/l is the same limit measured in breath, and 0.3 g/l is the lower limit.

Real Decreto 1428/2003, de 21 de noviembre, por el que se aprueba el Reglamento General de Circulación · Real Decreto Legislativo 6/2015, de 30 de octubre, por el que se aprueba el texto refundido de la Ley sobre Tráfico, Circulación de Vehículos a Motor y Seguridad Vial