Abstract: A tailgating warning system including a housing having a rearward face and a forward face. The forward face has a clear window therein exposing a hollow interior of the housing. The rearward face is comprised of a transparent lens. The housing has an interior lens disposed inwardly of the rearward face. The interior lens has flashing indicia disposed thereon. The housing has lights disposed therein. A photo-electric cell is disposed within the housing and is directed outwardly of the rearward face. The photo-electric cell is in communication with the lights and flashing indicia of the housing. The photo-electric cell is in communication with the accelerator of the vehicle whereby activation of the photo-electric cell is achieved only after a predetermined speed is reached by the vehicle.