A driver of a motor vehicle who is obliged to use a portable warning triangle must place it:

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Correct answer

On the edge of the roadway so that it is visible to approaching drivers in time and clearly, at a distance of at least 50 m, on a highway at least 100 m behind the vehicle; in a municipality, this distance may be shorter depending on circumstances.

On the road shoulder at a distance of at least 80 m, on a highway and 1st class road at least 130 m behind the vehicle.
At any distance on the edge of the roadway so that it is visible to approaching drivers in time and clearly.

Legal Basis: You can find this in § 26, paragraph 3 of Act No.

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Legal basis: Zákon č. 361/2000 Sb., § 26 odst. 3

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