This is an authentic single-sided United States highway regulatory sign featuring the text WRONG WAY in white capitalized block letters. The sign is constructed from rectangular aluminum with a red field and a white border. Both the lettering and the border are finished with high-intensity reflective sheeting displaying a visible hexagonal honeycomb pattern. Two pre-drilled mounting holes are centered at the top and bottom of the sign. The reverse is finished in dark grey and shows a vertical strip of discoloration corresponding to previous mounting on a signpost. A small adhesive inventory tag is present on the reverse. The sign design follows the standard specifications for a Manual on Uniform Traffic Control Devices R5-1a sign. 36x24