http://www.legislation.gov.uk/wsi/2012/2446/madeThe A40 Trunk Road (North of Dixton Roundabout to Wye Bridge Junction, Monmouth, Monmouthshire) (Temporary 40 mph Speed Limit) Order 2012Gorchymyn Cefnffordd yr A40 (Man i'r Gogledd o Gylchfan Llandidwg i Gyffordd Pont Afon Gwy, Trefynwy, Sir Fynwy) (Terfyn Cyflymder 40 mya Dros Dro) 2012King's Printer of Acts of Parliament2012-09-27