Without seeing the specific design of the non-illuminated sign, it is not possible to determine whether it indicates No U-turn, No Parking, No Entry, or No Overtaking. Knowing the symbolism and colors of standard traffic signs is vital for safe and lawful driving. The context provided about the traffic signal emphasizes the importance of following traffic directives.
Interpreting road signs is critical for understanding driving rules and ensuring safety. When it comes to the non-illuminated sign mentioned in the question, it's important to recognize the symbol and color typically associated with certain directives. For example, a No U-turn sign usually shows a U-turn with a bold line through it, a No Parking sign often displays a 'P' with a cross over it, a No Entry sign usually features a round sign with a horizontal white line on a red background, and a No Overtaking sign typically depicts two cars side by side with a diagonal line across the top car. Without the context of what the sign looks like, it's not possible to provide the correct answer.
However, understanding that a traffic signal slows down vehicles suggests the importance of adherence to traffic signs to maintain road safety.
Without the specific design of the sign, it is not feasible to determine the correct answer from the options provided. It's essential for drivers to be familiar with the universal road signs and their meanings to navigate safely and legally.