The A487 Trunk Road (Castle Street and Eryri Terrace, Penrhyndeudraeth, Gwynedd) (Prohibition of Waiting) Order 2018 / Gorchymyn Cefnffordd yr A487 (Stryd y Castell a Heol Eryri, Penrhyndeudraeth, Gwynedd) (Gwahardd Aros) 2018