€16.16 – €215.67
Risk of Grounding Sign – W123 | Permanent Ireland Traffic Sign – provides critical warning at humps, bridges, and uneven surfaces to prevent vehicle damage.
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Visit FAQ Section 📖The Risk of Grounding Sign – W123 | Permanent Ireland Traffic Sign alerts drivers—especially those operating long or low-clearance vehicles—to areas where the underside of a vehicle may come into contact with the road. This includes humps, uneven surfaces, sharp crests, or raised junctions, where grounding can pose a serious hazard.
Displayed as a yellow diamond with a black silhouette of a vehicle grounding over a raised surface, this sign is a mandatory part of road safety measures as defined in Chapter 6 of the Traffic Signs Manual (TSM). It plays a vital role in guiding HGV drivers, articulated lorries, buses, and low trailers to reduce speed or reroute where appropriate.
Whether it’s a rural humpback bridge or a new urban junction layout, the W123 sign provides crucial advance warning to prevent damage, traffic disruption, or safety incidents.
This sign is CE certified and produced according to EN12899-1 regulations, ensuring consistent reflectivity, durability, and legal compliance. The W123 is ideal for roads where vertical alignment may present a clearance hazard, and it allows transport operators to make safe routing decisions in advance.
Durable construction and high-visibility materials make it effective day and night, even in poor conditions. Suitable for both permanent and temporary traffic schemes, particularly in road construction or maintenance zones.
RA2 – Ideal for general-purpose roads
R3B – Enhanced visibility in low-light, fog, and wet conditions
Aluminium – Rigid, corrosion-resistant and long-lasting
Sticker (Self-Adhesive) – For fast mounting on barriers or temporary signs
Channel – Post mounting along rural or approach roads
Plate-Only – Installation on flat vertical structures
Self-Adhesive – Suitable for temporary signage or quick fixes
600, 750, 900, 1200 – Scaled according to approach speed and visibility zone
✔️ Fully TSM Chapter 6 and EN12899-1 compliant
✔️ Designed for visibility and quick recognition
✔️ Optional reflective grades tailored to your location
✔️ Available in aluminium or self-adhesive formats
✔️ Produced with fast lead times and dependable delivery
✔️ Proven in national transport, construction, and freight sectors
Humpback bridges and steep crests
Rural roads with elevation changes
Sites with temporary raised surfaces or transitions
Construction areas with uneven pavement
Locations where trucks, buses, or trailers may bottom out
✅ Prevents costly vehicle damage and disruption
✅ Promotes safe routing and speed reduction for large vehicles
✅ TSM-compliant, CE-certified, and road-authority approved
✅ Works across weather conditions and lighting environments
✅ Quick installation in both permanent and temporary zones
✅ Expert-backed quality from Ireland’s leading signage supplier
| Feature | Options / Details |
|---|---|
| Sign Number | W123 |
| Product Name | Risk of Grounding Sign |
| Standard Sizes | 600mm, 750mm, 900mm, 1200mm |
| Reflective Grades | RA2, R3B |
| Substrates | Aluminium, Sticker (Self-Adhesive) |
| Fixing Methods | Channel, Plate-Only, Self-Adhesive |
| Compliance | TSM Chapter 6, CE Certified, EN12899-1 |
| Use Case | Advance warning of grounding risk due to raised or uneven road profiles |
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| Weight | N/A |
|---|---|
| Facing | RA2, R3B |
| Substrate | Aluminium, Sticker |
| Fixing | Channel, Plate-Only, Self-Adhesive |
| Size (mm) | 300, 450, 600, 750, 900, 1200 |
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