To ask the Minister of State, Department for Transport how many automatic number plate recognition cameras are in operation other than on the public highway; and what the (a) location and (b) purpose is of each. (303440)

The Department for Transport has no automatic number plate recognition (ANPR) cameras permanently located in off road locations.

The Driver and Vehicle Licensing Agency's wheel clamping contractors, NSL Services Ltd, uses a fleet of 35 mobile wheel clamping units equipped with ANPR technology to help detect unlicensed vehicles. These units operate on and off the public road.