- At a glance
- Group
- Prohibitory signs · 25 of 46
- Shape
- Circle (B-20: octagon)
- Colours
- White background, red border, black symbol; zone signs on a white panel
- Legal basis
- § 22 of the regulation on road signs and signals
- Exam questions
- 41 questions
B-23 No U-turns
What it means
Bans U-turns from the sign up to and including the next intersection, or, when placed at an intersection, U-turns at that intersection. It is cancelled by sign B-24 or B-42.
B-23 does not ban left turns. It only bans reversing your direction of travel.
This sign in the exam
28% 28% wrong answers in questions about this sign. Based on 3 320 answers by Łatweprawko users in mock exams and learning (35 questions).
Most candidates answer correctly, but check the details in the questions below.
Test yourself
An official catalogue question that mentions this sign. Pick an answer and see straight away whether it is right.
In the presented situation, are you entitled to make a U-turn at the nearest intersection?
Related signs
Exam questions with this sign
Official catalogue questions whose text, answers or explanation mention this sign. Click to see the question with its answer.
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nr 610
You intend to make a U-turn at this intersection. Are you taking the proper lane?
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nr 1428
Are you allowed to make a U-turn at this intersection?
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nr 1433
Are you allowed to wait at the nearest junction for the possibility of making a U-turn within the lane dividing the roadways?
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nr 1473
Are you allowed to make a U-turn from the lane you are taking?
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nr 1514
Are you allowed to make a U-turn at this junction?
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nr 1517
Are you prohibited from making a U-turn from the sign to the closest intersection inclusive?
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nr 1518
Are you allowed in this situation to turn left at the next intersection?
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nr 1705
Can you make a U-turn from the lane you are taking?