Heavy Vehicle (Vehicle Standards) National Regulation

The centre of a side marker light fitted to a heavy vehicle must not be more than 150mm from the nearer side of the vehicle.

A front side marker light fitted to a heavy motor vehicle must be towards the front of the side of the vehicle with no part of the lens visible to the driver in the normal driving position.

The centre of a front side marker light fitted to a heavy trailer must be—

within 300mm of the front of the side of the trailer; or

if the construction of the trailer makes it impracticable to comply with paragraph (a)—as near as practicable to the front of the trailer.

The centre of a rear side marker light fitted to a heavy vehicle must be—

within 300mm of the rear of the side of the vehicle; or

if the construction of the vehicle makes it impracticable to comply with paragraph (a)—as near as practicable to the rear of the vehicle.

Side marker lights fitted to a heavy vehicle must, as far as practicable, be evenly spaced along the side of the vehicle.

Subsections (2) to (5) do not apply to side marker lights fitted to a cross-bar or bolster of a pole-type trailer.

Only the side marker lights nearest to the rear need be fitted to a heavy vehicle if complying with subsections (3) and (4) would result in the front and rear side marker lights being less than 2.5m apart.

A side marker light fitted to a heavy vehicle must be fitted so—

its centre is at least 600mm above ground level; and

its centre is not more than—

1.5m above ground level; or

if it is not practicable to fit it lower, 2.1m above ground level; and

it is, as far as practicable, in a row of side marker lights along the side of the vehicle.

Subsection (8)(a) does not apply to a side marker light that is not required to be fitted to the heavy vehicle under section 55.