Traffic cameras have long been an annoyance to drivers who run red lights, a safety measure for pedestrians, and a source of revenue for governments.
 
The US city of Chicago is now taking the technology one step further, installing new radar-based traffic cameras that can see in all directions. 

But, the new network of hi-tech cameras is making some people uneasy.

Al Jazeera's John Hendren reports from Chicago.

Source: Al Jazeera