A safety detection system approved by the Federal Communications Commission may be installed to warn bus drivers of moving objects such as children within areas around a school vehicle considered to be most dangerous, if the system: Is designed to monitor and warn school bus drivers of moving objects during loading and unloading; Operates automatically; Is activated by extending the stop arm; and Has audible and visual alarms. The audible alarm volume shall compensate for background noises. The visual alarm shall be easily visible both at night and in bright sunshine. The system shall be located in the driver's compartment and be visible to the driver in a seated position. A delay feature shall be incorporated in the system which shall operate the detection unit for a brief period of time after the bus resumes motion.