[PRCo] Re: Stupid questions....

Fred Schneider fwschneider at comcast.net
Sat Mar 10 19:40:07 EST 2007


Going back to Marietta, Ohio ... before standardization they used two- 
color signals.   The red flashed three times and then the green went  
out and the red came on solid.    Worked fine.

Someone ought to bright this back to Pittsburgh if not for  
trolleys.   Remember the local version of walk / don't walk lights.    
Green, then green plus amber for don't walk, then amber, then red.

Am I showing my age guys?

On Mar 10, 2007, at 5:27 PM, robert netzlof wrote:

> --- John Swindler <j_swindler at hotmail.com> 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.
>
> Bob Netzlof a/k/a Sweet Old Bob
>
>
>
>
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