A DIY Approach to Slowing a City's Cars [The Atlantic Cities]
At first glance, they look an awful lot like official city speed-limit signs, bold black letters on a white background. "20 Is Plenty," they say.
Look closer, these signs are not NYC DOT issue. First, they're made of plastic, rather than aluminum, and affixed to signposts with zip ties rather than bolts. They are not reflective, the way real street signs are. And at the bottom, in white letters on black, is the logo of the DIY street safety action group Right of Way.