This section includes the warning signs for roadworks. Like other warning signs, these are diamond or rectangular in shape and have a black border and black symbols or text. However, they are orange in colour instead of yellow.
Roadworks ahead
One-lane crossover
(out)
One-lane crossover
(back)
Move to left
(one lane)
Move to right
(one lane)
Move to left
(two lanes)
Move to right
(two lanes)
Obstruction
between lanes
End of obstruction
between lanes
Start of central
reserve or
obstruction
End of central
reserve or
obstruction
Lanes diverge at
crossover
Lanes rejoin at
crossover
Two-lanes
crossover (back)
Two-lanes
crossover (out)
Single lane (for
shuttle working)
Two-way traffic
Road narrows
from left
Road narrows
from right
Road narrows
on
both sides
Nearside lane (of
two) closed
Offside lane (of
two) closed
Offside lane (of
three) closed
Nearside lane (of
three) closed
Two offside lanes
(of three) closed
Two nearside lanes (of three) closed.
Two alternative styles.
Roadworks ahead
One-lane crossover
(out)
One-lane crossover
(back)
Move to left
(one lane)
Move to right
(one lane)
Move to left
(two lanes)
Move to right
(two lanes)
Obstruction
between lanes
End of obstruction
between lanes
Start of central
reserve or
obstruction
End of central
reserve or
obstruction
Lanes diverge at
crossover
Lanes rejoin at
crossover
Two-lanes
crossover (back)
Two-lanes
crossover (out)
Single lane (for
shuttle working)
Two-way traffic
Road narrows
from left
Road narrows
from right
Road narrows
on
both sides 
Nearside lane (of
two) closed
Offside lane (of
two) closed
Offside lane (of
three) closed
Nearside lane (of
three) closed
Two offside lanes
(of three) closed
Offside lane (of
four) closed
Nearside lane (of
four) closed
Two offside lanes
(of four) closed
Two nearside lanes
(of four) closed
Side road on left
Side road on right
Site access on left
Site access on right
Temporary traffic
signals ahead
Flagman ahead
Queues likely
Hump or ramp
Uneven surface
Slippery road
Loose chippings
Pedestrians cross
to left
Pedestrians cross
to right
Overhead electric
cables
Detour ahead
Detour to left
Detour to right
Road closed
Diverted traffic left
Diverted traffic Right 
Diverted traffic
Diverted traffic
End of detour
Detour destination
Distance
Length
Direction
Direction and
Distance 
End
Cautionary speed
Slow
Concealed
entrance
Type of works
Use hard shoulder
Hard shoulder
closed
Unfinished road
surface
Barrier Boards
Chevron board
Speed limit ahead
Stop
Either form of Go or Téigh can be used