Anonymous Meoward writes "Researchers at the University of Nebraska - Lincoln have come up with robotic traffic barrels ('bollards', for our British readers) that can be repositioned by remote control, thus minimizing a road worker's time in harm's way. Apparently, the barrels can be grouped and positioned by an autonomous 'shepherd' unit, that is also smart enough to also remove an errant barrel from its herd. The barrels themselves are about as intelligent as.. well, orange barrels. Okay, let's cue the more obvious jokes..."
Reader zombieflesheater submitted this previous attempt to mobilize road furniture