>>>Traffic lights aren't an issue for the color blind, as their position is fixed.
>>
>>Yes, but what if they're mounted horizontally instead of vertically? :-)
>
>Can't say I've ever seen that, myself. However, I'd expect that red would still come first.

I have, a few times. But first in which direction? Does it depend on what side of the street they're mounted on? :-)

Gotta love user-interface design....