Gates Ahead Road Sign Post Mounted - 554C R2/RA2 (Face Only)Road sign 554C is the diagram to warn of multiple gates in the road ahead. Gates may be installed for the control of farm animals so the warning keeps drivers at low speed so they can get out of the car to open and close each one. Where there is only a singular gate on the road, however, 554B warns of a Gate Ahead. The sign will usually be supplemented by a distance sign to show how far ahead the initial gate is, and a supplementary sign For and the