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Question 4766

The maximum permitted blood alcohol level for professional drivers is...

  1. 0.30 milligrams per liter.
  2. 0.30 grams per liter.
  3. 0.50 grams per liter.
Show answer and explanation

Correct answer: 0.30 grams per liter.

Anyone driving vehicles used for professional transport, such as trucks over 3,500 kg, buses, taxis, ambulances, school transport vehicles, or vehicles carrying dangerous goods, must not exceed 0.3 g/l in blood or 0.15 mg/l in breath. The figure of 0.30 mg/l mixes the blood alcohol figure with the breath alcohol unit.

Real Decreto 1428/2003, de 21 de noviembre, por el que se aprueba el Reglamento General de Circulación