Michigan Commercial Driver's License (CDL) Practice Exam

A yellow traffic light serves as a warning that the light is about to change to red. It is an indicator for drivers to prepare to stop. This signal is crucial as it helps prevent accidents by giving drivers a brief moment to react and safely bring their vehicle to a stop instead of continuing through an intersection when the light turns red. While it might be tempting to think that it could signify permission to proceed with caution, the primary intention of the yellow light is to alert drivers that they need to be ready to stop. In scenarios where the vehicle cannot safely stop in time before the light turns red, drivers should proceed with caution to clear the intersection safely. Understanding the function of a yellow light is critical for safe driving and adhering to traffic regulations.