Re: fw: How to Trigger Green Traffic Lights

Here's another
http://www.humantransport.org/bicycledriving/library/signals/green.htm
with a link to more detail
http://www.humantransport.org/bicycledriving/library/signals/detection.htm

On Tue, Jul 1, 2008 at 11:46, Tom Roche <Tom_Roche <at> pobox.com> wrote:
>
> I have not verified this, but this looks reasonable:
>
> http://www.wikihow.com/Trigger-Green-Traffic-Lights
>
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