Which signal denotes a wrong way driver?

The signal that denotes a wrong way driver is Signal 100. This specific signal is used by law enforcement and traffic management agencies to alert drivers about vehicles that are traveling in the incorrect direction on a roadway. The immediacy of identifying a wrong way driver is crucial for safety, as it helps other motorists take appropriate action, such as avoiding a potential collision.

When a driver sees Signal 100, it engages their attention and prompts them to be vigilant, potentially increasing their awareness of their surroundings. This signal is vital in preventing accidents caused by wrong way driving, which can lead to serious injuries or fatalities.

The other signals mentioned do not have the same meaning and are designed for different scenarios related to traffic management and enforcement. Understanding these specific signals can aid drivers in responding appropriately to various road situations.