Walk or drive down any stretch of road and you're sure to pass a few signs telling you what you can and can't do. Add in homes, businesses and a few landmarks and you're practically swimming in ...
If someone is tasked with creating a sign, the most important thing to keep in mind is ensuring that their message is clear.
my favorite is 12 no parking signs in a <50 foot section. they really didn't want people parking there. next time I'm there I'm taking a picture. "Speed Limit enforced by E.S.P." Apparently, E.S.P.