8. A flat traffic delineator shall consist of a device which is of the type specified in, and complies with the provisions of, regulation 45(3) of the 1997 Regulations and is of the colour and type of the traffic sign shown in the two parts of diagram 7102 in Schedule 12 to those Regulations, except that—
(a)its minimum height shall be 450 millimetres instead of 750 millimetres; and
(b)it shall not have the optional white strip on its base referred to in regulation 45(3)(a) and shown in the second part of diagram 7102.