Quote Originally Posted by Bounty
Surely it wouldn't be too hard to install a set of orange flashing lights to warn motorists that a hazard exists ahead (tail of a queue, accident, bit of rubbish on the road). Attoms (not sure correct spelling of acronym) monitor cameras on the Auckland motorways surley they could activate a switch that turned the lights on and off. I hear them on the police scanner, and they know whats going on.
Done already in quite a few countries (esp. when a queue or tailback is likely behind lights which themselves are around a corner) two flashing amber lights with a "Get ready To Stop".