A driver who merges in front of a vehicle they have overtaken:

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Correct answer

Must give a signal about the change of direction and must not endanger or limit the driver of the vehicle they overtook.

Does not have to give a signal about the change of direction if they do not limit the driver of the vehicle they overtook.
May limit the driver of the vehicle they overtook and must give a signal about the change of direction.

Legal Basis: You can find this in § 17, paragraph 3 of Act No.

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Legal basis: Zákon č. 361/2000 Sb., § 17 odst. 3

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