UK Driving Theory Practice Exam

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Prepare effectively for the UK Driving Theory Exam. Gain confidence with a variety of multiple choice questions and detailed explanations. Master the rules of the road and driving theory principles to ensure success on your test day!

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What is the purpose of box junctions?

To allow overtaking
To provide parking
To prevent the junction from becoming blocked
To indicate no entry

The correct answer is: To prevent the junction from becoming blocked

The purpose of box junctions is to prevent the junction from becoming blocked. These are marked areas on the road, usually with yellow crisscross lines, that help maintain the flow of traffic at busy intersections. When drivers enter a box junction, they must ensure that their exit is clear before doing so; this helps to avoid situation where vehicles become trapped within the junction, impeding the movement of other vehicles and potentially leading to congestion or accidents. Box junctions are particularly important in busy urban areas where traffic flow needs to be managed effectively to ensure safety and efficiency on the roads.