> I went to toronto and have seen these blinking greens.. I
> was told they indicate
> the other side has yellow, and if the coast is clear, go,
> otherwise, wait until
> it's steady.  I don't recall how reliable my source was
> though, so who knows...

I heard that now they will implement a coded system with different color
combinations and sequences.
For example, if you find a solid green lamp, and the yellow flashes only
6 times, it means you need to reduce speed, but if the yellow blinks
only 4 then the red blinks 3 and yellow return to blink 3 times, it
means you need to look to your left.  If the green flashes twice, and
(pay attention now) the red blinks 4 times with 2 seconds interval,
there is a police car in a 5 kilometers radius. If the Red is solid
along with 24 flashes on the green, it means the system is deffective,
so proceed with caution. If all lamps are off, it means "yuuupy", no
power at all.  There is a long list of codes and details, all of them,
of course, should be answered 100% correctly at the new driver's license
computer tests.  The only problem encontered up to now, is to teach all
the traffic officers about the new codes... it seems they are a bit
confused.

To facilitate things, I heard that they will implement a fourth color
lamp (blue) by this way the code list could be expanded.

:)

Here in Florida you can turn right everywhere, red or green, except when
a small sign is posted aside the traffic light saying "No Turn on Red",
or "No Turn if Pedestrians are Crossing", or if there is a right red
arrow light (LED lamps).
Wagner