0 abbreviation for automatic number plate recognition: a technology that reads and records car number plates, so that vehicles can be checked to see if they have been stolen, belong to people involved in criminal activities, have been parked illegally, etc. :
One of the main uses for ANPR cameras is spotting uninsured and unregistered drivers.
Given the way ANPR works, the national centre will not know about every vehicle journey from start to finish.
ANPR is also used to enforce London's congestion charge.