"Jim Henderson" <nos### [at] nospamcom> wrote in message
news:4b688910@news.povray.org...

> Depending on where you are (and I know you're in CA),
though, "red" might
> be the wrong answer.  I've been places where green was on
top (though I
> can't remember where), and I've been to places where the
lights are
> arranged horizontally (IIRC, Detroit is like that).--Jim

There's a picture of a traffic light in Dallas, Texas where
they are horizontal (you have to scroll down):

http://en.wikipedia.org/wiki/List_of_variations_in_traffic_light_signalling_and_operation

There a quite a few unusual configurations on that web
page...

~db

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