I've never heard of this before. I know that Disney did art for various organizations, most notably LOTS of military units in WWII, and Toys for Tots, but this is the first I've seen of this particular art.
Dated 1955 with a very cartoony bee character, this is a slogan for keeping your driving speed down. Dont' Be a Hurry Bug, Slow Down and Live.
This does retain its label on the back, so we know who manufactured this painted glass ashtray, Houze Art of Point Marion, PA. If anyone has any additional information on this particular campaign I'd be quite interested to know more about it.