Final answer:
The statement that a driver may not turn in the direction of the arrow until the red light has changed is false. A green arrow displayed with a red light indicates drivers are permitted to turn in the direction of the arrow, while all other traffic is required to stop.
Step-by-step explanation:
If a traffic light shows both a red light and a green arrow, a driver may not turn in the direction of the arrow until the red light has changed - this statement is False. When a traffic light displays a red signal along with a green arrow, it indicates that a driver is permitted to proceed in the direction of the arrow while maintaining caution, given the red signal for other directions of traffic. This specialized traffic signal system allows for safer and more efficient handling of traffic with different priorities, such as allowing turns while stopping straight-through or opposing flows of traffic.
The presence of a red light typically means that vehicles must come to a complete stop. However, a green arrow in conjunction with the red light provides an exception to this rule. It designates a specific action - such as turning left or right - that is allowed despite the red signal for other movements. This system prioritizes safety by managing the conflict points between vehicles and pedestrians, which improves the flow and control at busy intersections.
Additionally, traffic signals play a vital role in ensuring pedestrian safety. For instance, in busy areas like school campuses, they afford pedestrians the opportunity to cross at designated times, reducing the risk of accidents and enhancing overall safety.