Recently, many kind of control techniques for human safety have been developed. Human safety technology is developed on different area like mechanic, electronic, environmental. Safety technology is recognized the location of pedestrian and control the vehicle. In this study, describe the overspeed protection in school zone. Speeding in school zone occur the many car accident. Fuel cut system decelerate the vehicle speed and recognize the driver that the vehicle located on school zone. Fuel system consist of the relay and the control board. In this study, fuel system verified through experimental result.