I have written before about signs and art.
This sign is art
whereas this sign is not
The function of the Leo Fitzmaurice sign is different to the function of the caution sign. However this could simply be that they are differing kinds of sign. One is a label and the other is a warning.
Though Arcadia is a label sign, the thing (or place) labelled is absent, bringing our attention to its absence. It reminds us that the map is not the territory, the name is not the thing named (Korzybski).
The Arcadia sign refers to a past, almost forgotten, inaccessible reality (or myth) and elicits action which is more like not-acting: the act of reflecting. For me, that makes it different to other label signs.
In one way the caution sign is similar, it requires a ‘slowing down’ a reflectiveness of sorts. Though its hardly a reflection on signs and their relationship to our experience, or on art and life. If the caution sign were to elicit this kind of reflectiveness it would have failed to do its job, we would no longer be proceeding with caution.
Here’s another sign from YSP (again not art)
It is a sign about signs! (You might need to click on the image to get the smaller print.)
It reminds me of an episode of the Simpsons where Homer gets obsessed with putting up safety signs and eventually resorts to putting up signs exhorting us to take note of the signs.