May school patrols stop vehicles by using vertical signs on a handheld paddle?
Traffic rules
Explanation
**School patrols** have the ability to **stop vehicle traffic** using **vertical signs on a paddle**. These signs are similar to the **vertical signs** found on roads, which can **mandate or prohibit** vehicle passage.
Vertical signs are **plates with information** placed on posts or road structures and have different functions, such as warning of dangers, mandating or prohibiting actions, and informing and guiding drivers. In the case of school patrols, the signs on the paddle serve a similar function by **mandating vehicles to stop** to ensure the safety of students crossing the street.
Therefore, school patrols can use these signs to control traffic effectively and safely.
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