Western Australian Consolidated Regulations Western Australian Consolidated Regulations (1) This
rule applies to a headlight that is on at night-time.
(2) A low-beam
headlight must illuminate the road ahead of the vehicle for at least 25 m.
(3) A high-beam
headlight must illuminate the road ahead of the vehicle for at least 50 m.
(4) However, a
low-beam headlight fitted to a motor vehicle built before 1931, or a moped,
need only illuminate the road ahead of the vehicle for 12 m.