On the surface it sounds rediculous, but if it works who can argue. Wouldn't it 
be easier to keep the same colors but put the words "stop" and "go" across the 
front of the lens over the bulb so that it was back lit, then even those who 
are color challenged will be able to see it since the contrast between light 
and dark is not color dependent? Then there is the old school method, using a 
small metal flag with "stop" or "go" painted on it that pops up.  he he he.  
CRAIG

-- "Richard Cuff" <[EMAIL PROTECTED]> wrote:
See below; what is interesting is that the colors chosen for the
experiment are pink and purple...

Richard Cuff / Allentown, PA  USA

---------- Forwarded message ----------
From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Apr 2, 2007 12:16 AM
Subject: [roadgeek] Traffic light experiment
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]


1. Traffic Light Experiment

Puerto Vallarta has been chosen to test  a new concept in traffic lights. The
National Traffic Safety Institute of  Mexico (Instituto Nacional Transito
Seguro de Mexico) announced that all of  the traffic lights in Puerto
Vallarta will be changed as part of a three  month study designed to improve
traffic safety and reduce traffic accidents  at intersections.

A spokesman for INTSdeM says that medical surveys show  that as many as 25%
of the male population are afflicted with red/green color  blindness, a
hereditary condition. It has been theorized that this is a  significant cause
of men running red lights at intersections.

In this  experiment, all the traffic lights in town will be changed from red
and green  to purple and pink. The yellow (caution) lights will remain. Green
lights  will be replaced with shocking pink lights, and the red lights will
be  replaced with passionate purple lights.

Starting next week, drivers will  have to stop for passionate purple traffic
lights and can proceed on shocking  pink lights. The INTSdeM spokesman said
that if the purple lights reduce  number of vehicles going thru
intersections, the change will be instituted  throughout the country within
the next year.

Traffic officials in USA  and Canada are watching this trial and will
recommend similar changes if the  results are positive.
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