Bathroom sign

There should only be one bathroom sign, "Don't come in".

Slow down

A slow down sign is needed on every road in the country.

Caution signs

Caution signs on parts of the road? Just getting INTO your car today you need a caution sign.

Stop signs

What part of the word STOP in a stop sign do people not understand?

Deers have arrived

Deers have arrived, because they are the only animal that has their own sign on the roads.