*Mark Frauenfelder*: The city of Pleasanton, California has come up with a funny way to punish speeders:
[The] city's traffic engineers have created a traffic signal with attitude. It senses when a speeder is approaching and metes out swift punishment. It doesn't write a ticket. It immediately turns from green to yellow to red.
Link (Via Paul Boutin) [Via]{style="FONT-STYLE: italic"} [Boing Boing]
And the damage caused to the speeders after hitting a few pedestrians lured onto the street thereby really dissuades future incidents.