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Traffic Merging from Left Warning Sign – Diagram 508.1. UK traffic sign used to warn drivers of merging traffic from the left. Available in multiple sizes and reflective options.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Traffic Merging from Left Warning Sign – Diagram 508.1 is a permanent UK traffic sign used to warn drivers that traffic will be merging from the left ahead. This essential warning helps reduce collisions by encouraging drivers to adjust their speed and position when approaching merge points. Commonly installed on motorways, dual carriageways, slip roads, and busy urban routes, this sign promotes smoother traffic flow and safer merging conditions.
Manufactured to full compliance with TSRGD Diagram 508.1, BS EN 12899-1, and the Traffic Signs Manual Chapter 4, this sign is crafted from durable aluminium or composite materials and finished with RA2 or R3B reflective sheeting for excellent visibility, even in poor weather or low-light conditions.
Available in sizes from 600mm to 1500mm, this sign supports various installation methods, including channel fixings, plate-only systems, and self-adhesive solutions.
🔧 Technical Review
The sign features a bold black vertical arrow representing the main road, with a merging line entering from the left, displayed on a white background with a high-visibility red triangular border. Its UV-stable, corrosion-resistant finish ensures long-term durability and outstanding clarity for drivers.
✅ Why Choose Morelock for Your Diagram 508.1 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
• Urban and rural roads with merging lanes
• Traffic management at slip roads and exit ramps
• Road safety improvement schemes
• Private access roads connecting to main highways
🌟 Summary (Why You Should Buy This Product)
• ✅ Official UK warning sign for merging traffic from the left
• ✅ Fully compliant with Diagram 508.1, BS EN 12899-1, and Chapter 8
• ✅ High-visibility reflective options for all lighting and weather conditions
• ✅ UV-stable, corrosion-resistant, and highly durable construction
• ✅ Buy direct from the manufacturer with free UK delivery and fast dispatch
| Feature | Details |
|---|---|
| Product Name | Traffic Merging from Left Warning Sign |
| Diagram Number | 508.1 |
| 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 508.1, BS EN 12899-1, Chapter 8 |
📌 Related Permanent Traffic Signs
🛠 Permanent Installation Services
Professional permanent traffic sign installation across the UK
📚 Government Guidance
| Weight | 3.9 kg |
|---|---|
| Facing | RA1, RA2, R3B |
| Substrate | Aluminium, Composite, Stickers |
| Fixing | Channel, Plate Only, Self-Adhesive |
| Size (mm) | 300, 600, 750, 900 |
| Facing Type | Warranty Duration |
|---|---|
| RA1 | 7 years |
| R2/RA2 | 10 years |
| R3B/R3C | 12 years |
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