To assist traffic accident prevention by sticking the labels of a brake pedal and a accelerator pedal or the marks of the pedals to a car body for car accident prevention, and also sticking marks to the brake pedal and the accelerator pedal and to the car body.

For the brake pedal of a car, for example a label or a mark is stuck onto driver's stand directly above the brake pedal, a front glass or the like, this label or the mark is confirmed by eyes instantaneously when there is a possibility of accident, and the brake pedal is depressed without any hesitation to prevent the accident. A position to be confirmed by eyes on the extension of the pedal position is preferable. A vehicle advances by 22.22 m a second the traveling of 80 km, and by 22.2 cm for 0.1 second. 0.1 second is a time for injuring a human. By confirming the brake pedal and depressing the brake pedal as quickly as possible, accident prevention is assisted.