Dave Plowman (News) wrote:
In article ,
The Natural Philosopher wrote:
LEDS die at around 100C. The reason they are used increasingly in
traffic lights is energy efficiency.

Far more likely their long life if correctly driven. If energy consumption
was important with traffic lights they'd turn them off overnight, etc.

I think you should research that.

First of all there is an efficiency gain, secondly, when has any council
EVER removed or switched off a traffic light, once installed, no matter
how daft its timing, situation or whatever, been?