http://www.legislation.gov.uk/ssi/2012/145/signature/madeThe A823(M) Pitreavie Spur Trunk Road (Variable Speed Limits) Regulations 2012Speed limitsRoads and highwaysRoad traffic offencesRoad buildingVehiclesenKing's Printer for Scotland2015-01-29ROAD TRAFFICThese Regulations make provision for variable speed limits on various sections of the road known as the A823(M) Pitreavie Spur Trunk Road.KEITH BROWNAuthorised to sign by the Scottish MinistersSt Andrew’s House,Edinburgh16th May 2012