Question to the Department for Transport:
To ask the Secretary of State for Transport, if he will make it his policy to take steps to release information on National Highways' reasons for taking decisions to enforce variable speed limits on (a) specific dates, (b) times and (c) locations on smart motorways.
There are various reasons why National Highways may temporarily lower speed limits, including to deal with traffic congestion. Whatever the reason, the limit will be enforceable. However, National Highways is not an enforcement agency. Variable speed enforcement cameras are installed as part of every smart motorway scheme and are operated by the Police, who, as the enforcement authority, decide when and at what level to enforce.