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Roundabout Ahead Warning Sign – Diagram 510. UK traffic sign used to warn drivers of an approaching roundabout. Available in multiple sizes and reflective options.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Roundabout Ahead Warning Sign – Diagram 510 is a permanent UK traffic sign used to alert drivers of an approaching roundabout, helping them prepare to adjust speed and give way to circulating traffic. This essential warning sign improves road safety by preventing last-minute lane changes and reducing the risk of collisions near roundabout entrances. Commonly installed on high-speed roads, dual carriageways, and urban areas with busy intersections, this sign ensures a smoother traffic flow and improved hazard awareness.
Manufactured to full compliance with TSRGD Diagram 510, BS EN 12899-1, and the Traffic Signs Manual Chapter 4, this sign is constructed from high-quality aluminium or composite materials and finished with RA2 or R3B reflective sheeting for exceptional visibility, even in adverse weather and low-light conditions.
Available in sizes from 600mm to 1500mm, this sign supports multiple installation options, including channel fixings, plate-only systems, and self-adhesive options.
🔧 Technical Review
The sign features a bold black roundabout symbol on a white background with a high-visibility red triangular border, providing clear and early notification to drivers. Its UV-stable, corrosion-resistant finish ensures long-term durability and maximum clarity.
✅ Why Choose Morelock for Your Diagram 510 Sign?
✔️ Fully compliant with UK TSRGD and Chapter 8 standards
✔️ High-visibility RA2 and R3B reflective materials
✔️ Durable aluminium or composite substrate construction
✔️ Available sizes: 600mm, 750mm, 900mm, 1200mm, 1500mm
✔️ Mounting options: channel fixings, plate-only, or self-adhesive
✔️ Free UK delivery and fast dispatch direct from the manufacturer
📌 Ideal For:
• Motorways and dual carriageways with approaching roundabouts
• Urban roads and busy traffic intersections
• Road safety improvement projects
• Private roads connecting to public highways
• Traffic calming and hazard awareness zones
🌟 Summary (Why You Should Buy This Product)
• ✅ Official UK warning sign for roundabouts ahead
• ✅ Fully compliant with Diagram 510, BS EN 12899-1, and Chapter 8
• ✅ High-visibility reflective options for day and night use
• ✅ UV-stable, weather-resistant, and highly durable construction
• ✅ Buy direct from the manufacturer with free UK delivery and fast dispatch
| Feature | Details |
|---|---|
| Product Name | Roundabout Ahead Warning Sign |
| Diagram Number | 510 |
| Reflective Class (Facing) | RA2, R3B |
| Mounting Options | Channel, Plate-only, Self-Adhesive |
| Material (Substrate) | Aluminium, Composite, Stickers |
| Available Sizes (mm) | 600, 750, 900, 1200, 1500 |
| Compliance | TSRGD Diagram 510, BS EN 12899-1, Chapter 8 |
📌 Related Permanent Traffic Signs
🛠 Permanent Installation Services
Professional permanent traffic sign installation across the UK
📚 Government Guidance
| Facing | RA1, RA2, R3B |
|---|---|
| Substrate | Aluminium, Composite, Stickers |
| Fixing | Channel, Plate Only, Self-Adhesive |
| Size (mm) | 300, 600, 750, 900 |
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