Stephen Sprunk wrote:
In general, all punctuation and diacritical marks are dropped to make signs
and addresses as easy to read/write as possible. Therefore "St. John's"
becomes "St Johns" (notice the two changes). At least where English is the
common language; I assume in languages where accents and such are used more
frequently, signmakers are more tolerant of them

Melbourne has a laneway named after Australian rock band AC/DC (where
the slash is generally written as a lightning bolt). But slashes -- let
alone lightning bolts -- aren't permitted in Melbourne City Council
street names, so it's "ACDC Lane".

Pic of the sign he
http://www.danielbowen.com/2004/10/22/ac-dc/

Regards,

Daniel