Signage Size: 1,800mm x 922mm, 1,250mm x 746mm or 800mm x 746mm landscape format (dependent on roundabout size and location).
Maint Arwyddion: Fformat tirlun 1,800mm x 922mm, 1,250mm x 746mm neu 800mm x 746mm (yn dibynnu ar faint a lleoliad y gylchfan).