I'm curious, I'm partially color blind, and sometimes at night the only
difference to me between a blinking yellow and a blinking red is the position on
the light.  Is there another way to tell what the color is without being able to
see color on these lights that all all in one 'eye'?

-Adam

Dmitry Kiryashov wrote:
>
> Hi David.
>
> > Hi Dmitry!
> > I'm curious, Here in California the red stop lights are all LED but
> > the yellow and green are still incandescent.  In Russia are all of the
> > colors LEDs?
>
> All new traffic light are equipped with LED. I've saw two type of them:
> 1 eye - only changes the color from red through yellow to green.
> It seems to be three groups of color LED's inside of one eye.
> And three independed eyes ;-) Each for every color.
>
> It is as incredible as it visible in comparison with usual lamps
> especially in sunny day. And furthermore - those traffic units don't
> use shadow cover - they shining very bright against the sun ;-)
>
> And one more - it is very easy to implement arrows and other signs
> without additional lamp - just show different picture on the same
> projector.
>
> WBR Dmitry.
>
> > I am starting to see more and more trucks and busses using red and
> > amber LEDs for tail lights.  In Korea I saw much more LED usage that
> > here in the States.  In Japan everything had an LCD panel on it.
> > Small advertising on store shelves to large format panels spewing adds
> > in taxi cabs.