Hazard Markers

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Hazard Markers

Hazard signs are used to highlight to approaching traffic a marked change in the direction of travel and the presence and width of an obstruction.

Guide signs are generally rectangular. Hazard signs are rectangular and generally consist of a series of alternate black and white bands. The white portion is always reflectorized, but the reflective material may cover only the central portion of each white band to achieve a balance between the areas of black and white under headlight illumination. The bands may consist of either diagonal strips where only a target is required, or of chevrons where directional, as well as target, properties are desirable.

Typically, there are 4 types of hazard marker:

  1. Uni-directional Hazard Marker – used to guide approaching traffic to the direction indicated by the chevrons i.e. to the left or right as required.
  2. Bi-directional Hazard Marker – used to delineate the nose of an island or other obstruction where traffic may pass the obstruction on either side.
  3. Width Marker – normally erected in pairs, one on either side of a vertical obstruction facing in the direction of traffic flow.
  4. Obstruction Marker – used to delineate obstructions such as road closures or obstructions above the road.
UNI-DIRECTIONAL HAZARD MARKER 
D4-1-1A 1600 x 400
D4-1-1B 3200 x 800
UNI-DIRECTIONAL HAZARD MARKER 
D4-1-3C 1800 x 300
VIC ONLY
D4-V102 1800 x 600
BI-DIRECTIONAL HAZARD MARKER 
D4-2-1C 1800 x 300
BI-DIRECTIONAL HAZARD MARKER 
D4-2-3A 1600 x 400
D4-2-3B 3200 x 800
OBSTRUCTION MARKER 
D4-5A 1800 x 400
NSW ONLY
G9-257 700 x 390
(L or R)
(Self Adhesive)
WA ONLY 
MR-HM1 2400 x 400
WA ONLY 
MR-HM2 2400 x 400
WA ONLY
MR-HM3 2400 x 400
WA ONLY 
MR-HM4 2400 x 400
WA ONLY 
MR-HM5 2400 x 400
WA ONLY
MR-HM6 2400 x 400
WA ONLY
MR-HM8 4800 x 800
WA ONLY 
MR-HM9 4800 x 800
WA ONLY 
MR-HM10 4800 x 800
WA ONLY
MR-HM16A 360 x 1300
MR-HM16B 480 x 1340
MR-HM16C 600 x 1460
WA ONLY
MR-HM12 450 x 600
QLD ONLY
D4-2-2-QO1A 450 x 600
D4-2-2-QO1B 900 x 1200
WA ONLY
MR-HM11 230 x 230
BI-DIRECTIONAL HAZARD MARKER
VIC ONLY
D4-V103 1800 x 600
D4-V108 1000 x 500
WIDTH MARKER
VIC ONLY
D4-V105A 450 x 300
D4-V105B 600 x 400
CHEVRON
ALIGNMENT MARKER
D4-6A 600 x 750
D4-6B 750 x 900
D4-6C 900 x 1125
BI-DIRECTIONAL HAZARD MARKER
D4-1-2A 450 x 450
D4-1-2B 600 x 600
WIDTH MARKER
(L or R)
D4-3A 225 X 450
D4-3B 450 X 900
BI-DIRECTIONAL HAZARD MARKER
D4-2-2 400 x 1000
QLD ONLY
D4-2-2A 300 x 750
MR-HM7 2400 x 400
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