"Restzeitampel"

... they did it! Yesterday, the first "Restzeitampel" (remaining time traffic lights) was put into operation in Hamburg, Germany.

Typically German, they outmatched the approach I described a few weeks ago by adding the hint "Green in [seconds]" . Strange enough, they write Green in red!

I wonder if they ever heard of the Stroop effect... Good luck, Hamburg drivers!