Castle v Crown Prosecution Service [2014] WLR (D) 33
‘A traffic order permitting the imposition of variable speed limits, which had been signed by an employee of the Highways Agency acting as the alter ego of the Secretary of State, was not ultra vires section 14 of the Road Traffic Regulation Act 1984.’
WLR Daily, 24th January 2014
Source: www.iclr.co.uk