The ornamental design for a flatroadsign, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front plan view of the flat road sign;
FIG. 2 is a back plan view of the flat road sign;
FIG. 3 is a side plan view of the flat road sign thereof, viewed from the left of FIG. 1, the side plan view, viewed from the right being the mirror image; and,
FIG. 4 is a top plan view of the flat road sign of FIG. 1, the bottom side view being the same and the top plan view.