4. Orange
I though that was ``amber''. (As in ``although my name's not Bamber.'')
    There is no right (or left, in this case) turn on red.
Some places in the US you can turn left on red, when turning from a one-way street to another one-way street. At least that's what it said in my drivers' ed handbook. Not around here, though, despite the profusion of one-way streets.
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Bitt Faulk