Laws Eliminating Road Signage?

According to this article, that might be a good idea to increase safety:

The Shared Space team believes that signs, signals, and the traffic rules they represent make the roads more dangerous because they lead us to believe we are safe. “Conventional highway engineering operates on the dumb molecule theory of human behavior,” says John Adams, emeritus professor of geography at University College London and a Shared Space advocate. “And the human molecule is responsive to what it sees about it.”