Abstract: Automatic electronic direction alarming control for adaptation to a car, a motorcycle or other land vehicles, more specifically it means the provising of an alarming control which will release a flashing indication as a function of the speed of the vehicle, meant to enhance traffic safety by the prevention of collision by other traffic owing to misjudgement with regard to the active condition of a preceding traffic, and which consists essentially of ICs, switching transistors, RC circuits whose time constant serves to control the direction lights.