The driver with his arm extended is indicating that he is going to...
Signage: Traffic officers
Explanation
Horizontal extended arm: left turn
- With the **left arm extended** outward, in a **horizontal position** and the **palm facing down**, the driver indicates a **left turn**.
- This hand signal is used when the **turn signals do not exist or are not functioning**.
- It also serves to signal a **change of direction**, as it implies turning left.
- Its purpose is to **warn** other users in advance and **increase safety** during the maneuver.
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