Part I Requirements relating to obligatory front retroreflectors and to optional front retro reflectors to the extent specified in part ii

England, Wales and Scotland

I11 Number:	Two
I22 Position– (a) Longitudinal:	No requirement
(b) Lateral– (i) Maximum distance from the side of the trailer:	150 mm
(ii) Minimum separation distance between a pair of front reflectors:	600 mm or, if the overall width of the trailer is less than 1400 mm, 400 mm
(c) Vertical– (i) Maximum height above the ground:	900 mm or, if the structure of the trailer makes this impracticable, 1500 mm
(ii) Minimum height above the ground:	F1250 mm
I33 Angles of visibility– (a) Horizontal:	30° outwards and 5° inwards
(b) Vertical– (i) Any case not covered by sub-paragraph (ii):	F210° above and below the horizontal
(ii) Where the highest point of the reflecting area is less than 750 mm above the ground:	10° above and 5° below the horizontal
I44 Alignment:	To the front
I55 Markings:	An approval mark
I66 Size of reflecting area:	No requirement
I77 Colour:	White

Annotations

F1: Words in Sch. 21 Pt. 1 para. 2(c)(ii) substituted (4.1.2010) by The Road Vehicles Lighting and Goods Vehicles (Plating and Testing) (Amendment) Regulations 2009 (S.I. 2009/3220), regs. 1, 16(a)
F2: Word in Sch. 21 Pt. 1 paras. 3(b)(i), (ii) substituted (4.1.2010) by The Road Vehicles Lighting and Goods Vehicles (Plating and Testing) (Amendment) Regulations 2009 (S.I. 2009/3220), regs. 1, 16(b)