Symbol signs
The complete set of 50 passenger/pedestrian symbols developed by AIGA is now available on the web, free of charge. Signs are available in EPS and GIF formats.
dead/wrong link?
I think that’s it:
http://www.aiga.org/content.cfm/symbol-signs
you are right. i recognized it yesterday that they changed the directory for this article. i am sorry for that and thanks for refreshing 