§ Ms Bridget Prentice
To ask the Secretary of State for the Home Department how many speed cameras there are, broken down by county at the most recent date available; and what percentage in each case are operational. 
§ Mr. Denham
The Association of Chief Police Officers estimates that there are some 4,500 speed camera sites in England and Wales. Information on the percentage that are operational is not held centrally, nor is information on the number of speed cameras in each county.