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Rules of the Road › Section 23
Section 23:

Warning signs for roadworks

From the Rules of the Road published by the Road Safety Authority (RSA). iTest.ie is not affiliated with the RSA — check rsa.ie for the latest edition. Read in the app (contents, picks up where you left off) →

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
Roadworks ahead
One-lane crossover (out)
One-lane crossover (out)
One-lane crossover (back)
One-lane crossover (back)
Move to left (one lane)
Move to left (one lane)
Move to right (one lane)
Move to right (one lane)
Move to left (two lanes)
Move to left (two lanes)
Move to right (two lanes)
Move to right (two lanes)
Obstruction between lanes
Obstruction between lanes
End of obstruction between lanes
End of obstruction between lanes
Start of central reserve or obstruction
Start of central reserve or obstruction
End of central reserve or obstruction
End of central reserve or obstruction
Lanes diverge at crossover
Lanes diverge at crossover
Lanes rejoin at crossover
Lanes rejoin at crossover
Two-lanes crossover (back)
Two-lanes crossover (back)
Two-lanes crossover (out)
Two-lanes crossover (out)
Single lane (for shuttle working)
Single lane (for shuttle working)
Two-way traffic
Two-way traffic
Road narrows from left
Road narrows from left
Road narrows from right
Road narrows from right
Road narrows on both sides
Road narrows on both sides
Offside lane (of two) closed
Offside lane (of two) closed
Nearside lane (of two) closed
Nearside lane (of two) closed
Offside lane (of three) closed
Offside lane (of three) closed
Nearside lane (of three) closed
Nearside lane (of three) closed
Two offside lanes (of three) closed
Two offside lanes (of three) closed
Two nearside lanes (of three) closed, diamond style
Two nearside lanes (of three) closed. Two alternative styles
Two nearside lanes (of three) closed, square style
Offside lane (of four) closed
Offside lane (of four) closed
Nearside lane (of four) closed
Nearside lane (of four) closed
Two offside lanes (of four) closed
Two offside lanes (of four) closed
Two nearside lanes (of four) closed
Two nearside lanes (of four) closed
Side road on left
Side road on left
Side road on right
Side road on right
Site access on left
Site access on left
Site access on right
Site access on right
Temporary traffic signals ahead
Temporary traffic signals ahead
Flagman ahead
Flagman ahead
Queues likely
Queues likely
Hump or ramp
Hump or ramp
Uneven surface
Uneven surface
Slippery road
Slippery road
Loose chippings
Loose chippings
Pedestrians cross to left
Pedestrians cross to left
Pedestrians cross to right
Pedestrians cross to right
Overhead electric cables
Overhead electric cables
Detour ahead sign: Cúrsa Timpill DETOUR 200m
Detour ahead
Detour to left sign
Detour to left
Detour to right sign
Detour to right
Road closed sign: Bóthar Dúnta ROAD CLOSED
Road closed
Diverted traffic left sign
Diverted traffic left
Diverted traffic sign with arrow pointing right
Diverted traffic
Diverted traffic sign with arrow pointing up and to the left
Diverted traffic
Diverted traffic sign with arrow pointing ahead
Diverted traffic
End of detour sign: Deireadh an Timpill END DETOUR
End of detour
Detour destination sign: Áth Cliath DUBLIN N7
Detour destination

Information plates at roadworks

Distance plate: 200 m
Distance
Length plate: X km ar fad FOR X km
Length
Direction plates with arrows pointing left and right
Direction
Direction and distance plates: 250m with arrows
Direction and distance
End plate: Críoch END
End
Cautionary speed plate: 35 km/h
Cautionary speed
Slow plate: Go Mall SLOW
Slow
Concealed entrance plate: Oscailt Cheilte CONCEALED ENTRANCE
Concealed entrance
Type of works plate: Marcáil Bóthair ROAD MARKINGS
Type of works
Use hard shoulder plate
Use hard shoulder
Hard shoulder closed plate: END OF HARD SHOULDER
Hard shoulder closed
Unfinished road surface plate
Unfinished road surface
Red and white barrier board
Barrier board
Yellow and black chevron board
Chevron board
Speed limit ahead plate: 30 km/h, 200m
Speed limit ahead
Flagman ahead
Flagman ahead
Plate showing a cyclist, a 1.5m double arrow and a vehicle
Keep 1.5 m distance from cyclists

Manual traffic control sign at roadworks

Red STOP sign
Stop
Green GO sign
Either form of Go or Téigh can be used
Green Téigh sign
← Section 22: Warning traffic signs Section 24: Information signs →
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