"The No Pedestrian Crossing sign may be used to prohibit pedestrians from crossing a roadway at an undesirable location or in front of a school or other public building where a crossing is not designated."-Federal Highway Administration, 2007

No Pedestrian Crossing, Silhouette

"The No Pedestrian Crossing sign may be used to prohibit pedestrians from crossing a roadway at an undesirable…

"The No Hitchhiking sign may be used to prohibit standing in or adjacent to the roadway for the purpose of soliciting a ride."-Federal Highway Administration, 2007

No Hitchhiking, Silhouette

"The No Hitchhiking sign may be used to prohibit standing in or adjacent to the roadway for the purpose…

"When a National Network route is signed, the National Network sign shall be used."-Federal Highway Administration, 2007

National Network, Silhouette

"When a National Network route is signed, the National Network sign shall be used." -Federal Highway…

"The National Network Prohibition sign may be used to identify routes, portions of routes, and ramps where trucks are prohibited. The sign may also be used to mark the ends of designated routes."-Federal Highway Administration, 2007

National Network Prohibition, Silhouette

"The National Network Prohibition sign may be used to identify routes, portions of routes, and ramps…

Pictured are conifer forms: pine and spruces.

Conifer Tree

Pictured are conifer forms: pine and spruces.

A young girl looking out the window. A silhouette of a woman is next to her. An arm from the woman is shown placed on the child's shoulder, comforting the distressed child.

Child in Window

A young girl looking out the window. A silhouette of a woman is next to her. An arm from the woman is…

A silhouette is "a profile portrait in black, so called after Etienne de Silhouette, French minister of finance in 1759." —Whitney,1889
<p>This silhouette is a profile of George Washington, first president of the United States.

George Washington - Silhouette

A silhouette is "a profile portrait in black, so called after Etienne de Silhouette, French minister…