<VV> yellow head lights

[Dave Morris]

Yes, I think you're right about the first part.  As for getting sleepy, 
I've always found that driving around 90 to 100 mph keeps you much more 
awake and alert. =:o

Dave Morris

At 08:42 PM 2/2/2005 +0000, you wrote:

>Dave Morris wrote:
>
>>When I lived in Europe, I believe the rationale for the yellow headlights 
>>was that it "cut through fog" better or something like that.
>
>It does. I ran yellow lights on my 1956 Ford for many years, because I 
>lived in the valley of the River Thames near London, and it is a very 
>fog-bound area. When it was foggy, the yellow beams used to cut through 
>the fog like yellow pencil beams, whereas the white ones just became 
>diffused and fuzzy.
>
>However, I am 99% certain that this wasn't the rationale behind the French 
>government's decision - I have always understood that this was because it 
>was less dazzling to oncoming drivers, because the yellow light was 
>gentler on the eyes.
>
>Certainly, all the English people I know who were stopped in France for 
>running white lights had been told by the police that it was dangerous to 
>other road users.
>
>However, the one big drawback was that although yellow light actually is 
>much easier on your eyes than white is (see above), and it gives a lovely, 
>warm, pretty light...
>
>...it also has the effect of making me (and I think a lot of others!) 
>*REALLY* sleepy!
>
>Cheers
>
>Alan