Regulation 104(2) of the Principal Regulations is amended by omitting paragraphs (a) and (b) and substituting the following paragraphs:

(a) so that –

(i) a light is fitted on each side of the warning sign and each such light is the same distance from the centre of the warning sign; or

(ii) both lights are fitted above, or below, the warning sign and the centre point of an imaginary horizontal line drawn between the 2 lights is within 50 millimetres of the vertical axis of the warning sign; and

(b) with the edge of the warning sign –

(i) not more than 100 millimetres from the nearest point on the lens of the warning lights; or

(ii) if that is not practicable due to the design of the bus, not more than 300 millimetres from the nearest point on the lens of the warning lights; and