Some climbed onto traffic poles
and on top of bus stops, while others spray-painted graffiti onto the LA Times building and TV news vans.
The poles have various uses as industrial poles, lighting poles for stadiums, highways, public facilities and high mast, including traffic poles
, advertising poles, general purpose poles.
The speed cameras and CCTV flashes on the traffic poles
are making citizens think twice before jumping a red light which can only be a good thing.
The Road Weather Information System is a combination camera and laser system that monitors road conditions (temperature and road friction or "slipperiness") from above ground (mounted on traffic poles
) and without the need to embed sensors in the pavement.
Below about 13-16ft, the UAV must fly amid an urban gauntlet of power lines, traffic poles
, cables and other city obstacles.