The A40 Trunk Road and Link Road (Travellers’ Rest Junction, Carmarthenshire) (Temporary Prohibition of Vehicles and 30 MPH Speed Limit) Order 2018 / Gorchymyn Cefnffordd yr A40 a’r Ffordd Gyswllt (Cyffordd Travellers’ Rest, Sir Gaerfyrddin) (Gwahardd Cerbydau a Therfyn Cyflymder 30 MYA Dros Dro) 2018