In Portuguese road regulations, what is the minimum distance behind a broken-down vehicle on an ordinary road that the warning triangle (sinal de pré-sinalização) must be placed?
Answer and explanation
Correct answer: C. At least 30 meters behind the vehicle, positioned to be visible from at least 100 meters away
- Step 1: Warning triangle placement standard. Step 2. Article 88 mandates that the warning triangle must be placed perpendicular to the road surface at least 30 meters behind the immobilized vehicle, in a position where it is visible to approaching drivers from a distance of at least 100 meters. Answer: At least 30 meters behind the vehicle, positioned to be visible from at least 100 meters away. Why not the others: 10 meters on the roof or 5 meters on the bumper fail to give approaching high-speed vehicles adequate reaction distance.
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