Allows motorists to know that it is a slow moving vehicle.
This sign is usually on the back farming vehicles. I.E tractors, these vehicles can only travel at speeds up to 25 mph
It is partially true that people talked the way Shakespeare had wrote. Back then people did not speak in blank verse and since it was a play their speech was exaggerated. However, it is true that people did use vocabulary like “Thy” and “Thine”.