99Fitting of warning lights and warning signs

99 Fitting of warning lights and warning signs

(1)  This regulation applies if a bus has been fitted with warning lights and a warning sign as required under regulation 98 .

(2)  The warning lights must be fitted –

(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

(c) with the distance between the warning lights at least 300 millimetres at the nearest point; and

(d) so that no part of the bus obstructs the light displayed –

(i) 30° to the left and right of the centre of each light; and

(ii) 10° above and below the centre of each light.

(3)  The warning lights may be on the warning sign if the words or image on the sign are not obscured.

(4)  Warning lights fitted on same end of the bus must be fitted at the same height and as high as practicable.

(5)  If the centres of the warning lights are less than 1.8 metres above ground level, no part of the warning lights or warning sign may be on the left side of the bus.

(6)  This regulation applies to a bus despite any requirement of a third edition ADR.

(7)  Subregulation (2)(b) does not apply if the warning lights fitted to the front of the bus are mounted higher than 1.8 metres above the ground level.