An identification and tracking device for use in combination with a firearm bullet comprising a means for detaching the device from the bullet during penetration of the target. The method comprises the steps of providing statistical data relating to traffic at links of a street map, providing condition data relating to links of the street map, and determining traffic data based on the statistical data and the condition data. The processing circuit is responsive to instructions which, when executed by the processing circuit, facilitate responding to a conditional signal received from the circuit breaker, and in response thereto recording waveform information arising from an additional signal received from the circuit breaker. An actuating port in the housing has a central axis, which extends parallel to the respective edge, through the door through which extends a rotatable actuating shaft. The alkylpolyalkoxysulfate comprising propoxy groups is prepared in this case by sulfating an alkoxylated alcohol, the alkoxylated alcohol being prepared by alkoxylating an alcohol using double metal cyanide catalysts or double hydroxide clays. The backing plate has one or more apertures formed in at least one lateral raw at a location equivalent to the position of the bending formation.