Abstract: Any presence of brake light emissions of another vehicle to the forward of a subject vehicle is sensed in a color camera and microprocessor system that detects (i) red light(s) illuminations in excess of other colors, that are any of (ii) appropriately sized, (iii) appropriately located, (iv) simultaneously occurring, (v) spaced apart in separation, (vi) substantially horizontal, and/or (vii) of approximately of equal intensity, as would be appropriate to a single brake light, or to a pair of brake lights, as the case may be. The brake lights of the subject vehicle are preferably applied either during (i) the persistence of any detection of the brake light(s) of any other vehicle(s) to the forward, or (ii) normal application of the subject vehicle's own brakes. The forward-sensed rearward-propagated brake light signal is preferably delayed in propagation, limiting any propagation of minor perturbations in traffic.