[PRCo] Traffic signals.

Bob Rathke bobrathke at comcast.net
Mon Mar 12 20:00:55 EDT 2007


Canton, Ohio had red/green traffic signals.  They were still in use in the 
1970's, and maybe still are today.

I just returned from eight days in Stockholm, and noted that traffic signals 
there go from red to red/yellow, then to green.

Bob 3/12/07

-----------------------------
----- Original Message ----- 
From: "Herb Brannon" <hrbran at sbcglobal.net>
To: <pittsburgh-railways at dementia.org>
Sent: Sunday, March 11, 2007 7:09 PM
Subject: [PRCo] Re: Stupid questions....


> 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.
> -------------------------------------------------------------------------
>
> 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
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> 




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