Royalty free image: Pick-Up and Drop-Off sign.

Royalty free image: Yellow BEWARE sign.

Royalty free image: Soft focus muted-color American flag.

Royalty free image: Two directional blank arrow signs pointing out away from one another.

Royalty free image: Bi-directional arrow pointing both left and right painted on a white brick wall.

Royalty free image: No right turn allowed sign.

Royalty free image: Rusted U.S. GOVERNMENT metal sign.

Royalty free image: Caution - Work Overhead sign on an urban sidewalk or walkway.

Royalty free image: Detail of American flag with gold trim or fringe.

Royalty free image: Two directional blank arrow signs pointing in towards one another.

Royalty free image: HERE sign with directional arrow pointing down.

Royalty free image: Green directional arrow sign on a wall and indicating an exit or way out for pedestrians.

Royalty free image: DETOUR sign with arrow pointing right and in an urban setting.

Royalty free image: No honking allowed sign.

Royalty free image: Close-up detail of American flag with gold trim.

Royalty free image: Red DANGER sign with blank space for adding text or graphics.

Royalty free image: Blank white sign in front of a group of international flags.

Royalty free image: Blank wooden directional arrow sign nailed to a post in a rural setting.

Royalty free image: Green and white PERMITTED sign hanging from a chain.

Royalty free image: Blank orange sign on the side of an empty highway or motorway.

Royalty free image: Group of American flags on metal poles.

Royalty free image: BAY ST tile street sign, Nassau, Bahamas.

Royalty free image: Swimming not allowed sign at a sandy beach.

Royalty free image: Warning - Unsafe For Bathing no swimming sign on a beach.