What does a red traffic light indicate?

Answer: C — Stop and do not proceed until the light turns green

A red traffic light indicates that drivers must come to a complete stop and are not permitted to proceed until the light changes to green. This rule is crucial for maintaining safety and preventing accidents at intersections. It helps ensure that vehicles do not enter the intersection while other vehicles or pedestrians may be crossing. The requirement to stop at a red light is foundational knowledge for all drivers and is enforced by traffic laws. Understanding and obeying traffic signals is essential for the smooth flow of traffic and for preventing collisions. Red lights serve as a clear signal to all road users that they must yield the right of way to others when the light is not green, reinforcing safe driving practices.