The A55 Trunk Road (Pen-y-clip Tunnel, Conwy County Borough)(Temporary Traffic Prohibitions & Restrictions) Order 2013 (Variation) Order 2013Gorchymyn Gorchymyn Cefnffordd yr A55 (Twnnel Pen-y-clip, Bwrdeistref Sirol Conwy) (Gwaharddiadau a Chyfyngiadau Traffig Dros Dro) 2013 (Amrywio) 2013 No. 820