NEW YORK (PIX11) — Have you ever noticed how some street signs in New York City are green while others are brown and some are ...

Question: Why are some city street signs green and others blue? My answer: Is this a trick question? Some are envious, others a little sad. Real answer: This one ended up being less than mysterious.

Everyone loves the antique blue and white tiles that mark the street corners in the older sections of New Orleans. But did you ever wonder how the unique horizontal street sign system came about?