Rear and Side Lamps

Introduction
This page concerns the requirements to fit additional side marker lamps to vehicle combinations

Additional side marker lamps are required on the following long vehicles or vehicle combinations:

Item	Vehicle or combination of vehicles	Requirement
1.	A vehicle or a combination of vehicles the overall length of which (including any load) exceeds 18.75 metres.	one lamp within 9.15 metres from the front of the vehicle or vehicles or load; one lamp within 3.05 metres from the rearmost part of the vehicle or vehicles or load; such other lamps as are required to ensure that not more than 3.05 metres separates each lamp.
2.	A combination of vehicles the overall length of which (including any load) exceeds 12.2 metres but does not exceed 18.75 metres and carrying a load supported by any two vehicles excluding articulated vehicles.	one lamp not forward of, or more than 1530 millimetres rearward of, the rearmost part of the drawing vehicle; and if the supported load extends more than 9.15 metres rearward of the rearmost part of the drawing vehicle, one lamp no more than 1530 millimetres rearward of, the centre of the length of the load.

The exception here concerns combinations where any vehicle being drawn has broken down.

Additional side marker lamps must be lit when the vehicle is used on a road between sunset and sunrise or in the event of seriously reduced visibility. Specification for these additional lamps can be found within this section on the Positioning page and are the same as side lamps (see the bottom of table 4).

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