Owain wrote:
Dave Plowman (News) wrote:
If energy consumption
was important with traffic lights they'd turn them off overnight, etc.

Would the LED lights use sufficiently little energy they could be
powered by small turbines, or photovoltaics, on the top?

My thinking is that with self-contained traffic lights and a en
encrypted wireless networking, traffic lights could be installed and

Oh what a good idea - now traffic lights can be jammed, probably
accidentally.