What color lights indicate a school bus is picking up or dropping off children?

Red lights indicate that a school bus is picking up or dropping off children. When the red lights are activated, it signals to other drivers that they must stop their vehicles in both directions, allowing children to safely enter or exit the bus. This is crucial for the safety of children, as it creates a secure environment for them to cross roads without the risk of traffic.

The use of red lights serves as a clear visual cue that a school bus is in the process of loading or unloading passengers, thereby helping to prevent accidents and ensure that drivers are alert to the presence of children. It's important for bus drivers and motorists alike to recognize and respond appropriately to these signals to maintain safety in school zones.