The ornamental design for a standbarricade, as shown and described.
FIG. 1 is a top perspective view of a stand barricade showing my new design;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a top plan view thereof; and
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a bottom perspective view thereof; and,
FIG. 10 is an exemplary perspective view of two identical stand barricades thereof.
The broken line showing of a flag, light, and holes is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.