Q: When must a school bus use flashing lights? A: U.S. law requires school buses to activate flashing amber lights before stopping and red lights with an extended stop arm when children are boardi
Morning and late afternoon are the most dangerous times for children boarding or exiting school buses. Low-light conditions reduce driver reaction times, even when the bus itself is highly visible. LE
Human vision relies heavily on contrast. Objects that stand out against their background are easier to detect and identify. At bus stops, contrast can be reduced by shadows, dark clothing, or cluttere