Abstract: An alert system for generating, in the vicinity of a crossing such as an intersection or a railcar station warning line, a wide-area image indicative of an actual or impending traffic safety problem, comprising at least one safety indication component for indicating a state of an actual or impending safety problem; at least one wide-area image generating device mounted in the vicinity of the crossing for generating a corresponding vertically appearing wide-area image appearing at an injury preventable distance from the crossing; fog generating apparatus mounted in the vicinity of the crossing for discharging vaporized fluid by which light of a corresponding generated wide-area image is refracted or reflected, so that the wide-area images will be visible during daytime light; and a controller in communication with the at least one safety indication component for synchronizing operation of the at least one wide-area image generating device and the fog generating apparatus.