Abstract: A construction zone sign cover for covering a highway and/or roadway sign during construction or other events is provided. The sign has a top edge and a bottom edge. The sign cover comprises a first sign portion having a first side surface, a second side surface, first side edge, a second side edge, a top edge, and a bottom edge and a second sign portion having a first side surface, a second side surface, a first side edge, a second side edge, a top edge, and a bottom edge. A connecting mechanism slidably connects the first sign portion to the second sign portion. A biasing mechanism biases the first sign portion and the second sign portion in a general direction toward each other. A first securing mechanism releasably secures the top edge of the first sign portion to the top edge of the sign. A second securing mechanism releasably secures the bottom edge of the second sign portion to the bottom edge of the sign.