http://www.legislation.gov.uk/wsi/2011/2670/madeThe A4042 Trunk Road (Grove Park Roundabout to Pillmawr Road Bridge, Newport) (Temporary Traffic Restriction) Order 2011Gorchymyn Cefnffordd yr A4042 (Cylchfan Grove Park i Bont Heol Pillmawr, Casnewydd) (Cyfyngiad Traffig Dros Dro) 2011King's Printer of Acts of Parliament2011-11-09