22.—(1) Save as provided in paragraph (2), no person shall use, or cause or permit to be used, on a road between sunset and sunrise, or in seriously reduced visibility between sunrise and sunset, any vehicle or combination of vehicles of a type specified in an item in column 2 of the Table below unless each side of the vehicle or combination of vehicles is fitted with the side marker lamps specified in that item in column 3 and those lamps are kept lit.
| (1) | (2) | (3) |
|---|---|---|
| Item No. | Vehicle or combination of vehicles | Side marker lamps |
| 1 | A vehicle or a combination of vehicles the overall length of which (including any load) exceeds 18.3 m. | There shall be fitted– (a) one lamp no part of the light-emitting surface of which is more than 9.15 m from the foremost part of the vehicle or vehicles (in either case inclusive of any load); (b) one lamp no part of the light-emitting surface of which is more than 3.05 m from the rearmost part of the vehicle or vehicles (in either case inclusive of any load); and (c) such other lamps as are required to ensure that not more than 3.05 m separates any part of the light-emitting surface of one lamp and any part of the light-emitting surface of the next lamp. |
| 2 | A combination of vehicles the overall length of which (including any load) exceeds 12.2 m but does not exceed 18.3 m and carrying a load supported by any two of the vehicles but not including a load carried by an articulated vehicle. | There shall be fitted– (a) one lamp no part of the light-emitting surface of which is forward of, or more than 1530 mm rearward of, the rearmost part of the drawing vehicle; and (b) if the supported load extends more than 9.15 m rearward of the rearmost part of the drawing vehicle, one lamp no part of the light-emitting surface of which is forward of, or more than 1530 mm rearward of, the centre of the length of the load. |
(2) The requirements specified in paragraph (1) do not apply to–
(a)a combination of vehicles where any vehicle being drawn in that combination has broken down; or
(b)a vehicle (not being a combination of vehicles) having an appliance or apparatus or carrying a load of a kind specified in the Table to regulation 82(7) or in regulation 82(8) of the Construction and Use Regulations, if the conditions specified in paragraphs 3 and 4 (which provide for the special marking of projections from vehicles) of Schedule 12 to those Regulations are complied with in relation to the special appliance or apparatus or load as if the said conditions had been expressed in the said regulation 82 to apply in the case of every special appliance or apparatus or load of a kind specified in that regulation.
(3) Every side marker lamp fitted in accordance with this regulation shall comply with Part I of Schedule 9.