5. Nothing in articles 3 and 4 above shall apply—
(a)to any vehicle being used for fire brigade, police or ambulance purposes; and
(b)to anything done with the permission or at the direction of a police constable in uniform or of a traffic warden.
5. Nothing in articles 3 and 4 above shall apply—
(a)to any vehicle being used for fire brigade, police or ambulance purposes; and
(b)to anything done with the permission or at the direction of a police constable in uniform or of a traffic warden.