[PRCo] Re: Stupid questions....

[Herb Brannon]

If those were still in operation today I can imagine the results when the signal went dark and the traffic on the street which had the green kept moving and the traffic on the street which had the red started moving !
Bill Robb <bill937ca at yahoo.ca> wrote:  --- John Swindler wrote:
> 
> Likewise, why do we need a yellow signal at an intersection.
> Think of all the money that could be saved with only a two
> aspect signal?
I seem to recall seeing many such in New York city in the late 1950s.
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I remember those too. But they were still three aspect signals. At the end of the green aspect the whole signal went dark for 5 seconds or so before the signal went red.



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Herb Brannon