Western Australian Current Regulations Western Australian Current Regulations If an agricultural
implement is towed on a road at night, there must be fitted to that implement,
or, in the case of an agricultural combination consisting of more than one
towed vehicle, the rear vehicle of that combination, 2 signalling
lights —
(a) each
of which, when lighted, displays an amber light clearly visible in sunlight at
all distances up to 60 m to the rear of the towed vehicle; and
(b)
which are readily operated by the driver of the towing vehicle from the proper
driving position; and
(c) the
operation of which is indicated by means of a tell‑tale indicator that
is visible and audible to the driver of the towing vehicle; and
(d) the
switching on of each of which is followed by the display of its light within a
maximum period of one second and by the regular flashing of its light
thereafter at a rate of not less than 60 times or more than 120 times,
per minute; and
(e) each
of which flashes in phase with its counterpart on the same side of the towing
vehicle and is operated by the same control switch; and
(f)
which are capable of operating as flashing warning lights.