A week ago, road signs in Brooklyn warning drivers of construction on a major thoroughfare switched from displaying standard messages to slightly more, uh, aggressive screeds. They have not stopped.

You should never hack a road sign as part of a prank. But what if you know that there really are Zombies ahead? What then?? Apparently, while most road sign control pads are placed in a lock box, that ...

My bet is that self driving cars won’t need signs, and in s future where everything is a self driving car, there’s no need for any stop signs, yield signs, or traffic lights. Self driving cars will ...

Clearly a malicious person can mess with traffic signs and confuse automated vehicles. But couldn't they just as easily confuse human drivers? I mean, why not just remove the sign entirely, if that's ...