Originally Posted by Serge *******
Signage is okay, except I think there might be a tendency to start thinking one only has to "share the road" when prompted to do so by a sign.
Also, "share the road" seems to imply to many side-by-side sharing rather than cyclists riding in a position such that passing by motorists in cars means moving at least a certain amount into the adjacent lane to the left (be it oncoming or same-direction).
I think we're going to have another agree to disagree moment. You're making a lot of assumptions about how people will interpret signage.