Heavy Vehicle (Vehicle Standards) National Regulation

When on, a side marker light fitted to a heavy vehicle must—

show a light visible 200m from the vehicle; and

not use more than 7W.

When on, a side marker light fitted to a heavy vehicle must show—

to the front of the vehicle—a yellow light; and

to the rear of the vehicle—

if the light also operates as a rear light or reflector—a red light; and

in any other case—a red or yellow light.

If a pole-type trailer with 2 or more cross-bars or bolsters has side marker lights permitted by section 55(3)—

the side marker lights fitted to the front cross-bar or bolster must, when on, show a yellow light; and

the side marker lights fitted to the back cross-bar or bolster must, when on, show—

if the light also operates as a rear light or reflector—a red light; and

in any other case—a red or yellow light.