On Sat, 13 Oct 2007 10:08:57 GMT, "Richard J."
wrote:
>Markku Grönroos wrote:
>> "Richard J." kirjoitti
>> viestissä:yrRPi.30324$c_1.2306@text.news.blueyonder.co.uk...
>>> Markku Grönroos wrote:
>>>> "Richard J." kirjoitti
>>>> viestissä:EFPPi.30248$c_1.21631@text.news.blueyonder.co.uk...
>>>>>
>>>>> Maybe that's true now, but it was a concern with older vehicles,
>>>>> and probably influenced the original design of the traffic light
>>>>> sequence.
>>>> There has not been such an influence.
>>>
>>> So why is there an amber or red-and-amber phase (not sure which it
>>> is in Germany) before the green?
>>> --
>>>
>> Obviously to indicate that light is about to turn green.
>
>Yes, but why is that useful? It doesn't happen in France, for example,
>or on the railways. There must have been a reason for German traffic
>light designers to introduce the extra phase, and you have denied one
>plausible reason, so what is the real reason?
There is a sign at many German traffic lights telling you to turn off
the engine while the light is red. |