Which of the following is a common traffic signal you must obey in Italy?

Traffic lights are a fundamental aspect of traffic control and regulation in Italy, just as they are in many countries around the world. They provide clear and standardized signals for drivers to follow, indicating when to stop, yield, or go. Adhering to traffic lights helps maintain order on the roads and enhances safety by preventing accidents at intersections where vehicle paths may cross.

While hand gestures from pedestrians may be indicative of a pedestrian signaling to cross the street, they are not a standardized traffic signal and can lead to confusion or misinterpretation. Flashing lights from emergency vehicles, while important to recognize, require that drivers yield or pull over as directed, but they do not serve as a regular traffic signal for general traffic management. Written notifications from police officers can also provide important directions, but they are usually context-specific and not a routine traffic signal.

Thus, understanding and following the signals provided by traffic lights is essential for safe driving practices and compliance with the law in Italy.