Can you use the horn if the presented vehicle starts to change the lane while you are overtaking?

Description

Art. 29 para. 1 and para. 2 pt. 2 of the Act of 20 June 1997 - Road Traffic Act (Journal of Laws of 2012, item 1137 and 1448)

Explanation

Correct answer: Yes

Yes, using the horn is justified in this situation. According to Art. 29 of the Road Traffic Act, in a built-up area, it is permitted to use an audible warning signal if it is necessary to warn of immediate danger. The vehicle being overtaken changing lanes creates just such a danger, and using the horn can prevent a collision.

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