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T-Junction Ahead Warning Sign – Diagram 505.1A. UK traffic sign used to warn of an approaching left-side T-junction. Available in multiple sizes and reflective options.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The T-Junction Ahead Warning Sign – Diagram 505.1A is a permanent UK traffic sign used to warn drivers of an approaching T-junction where a side road joins from the left. This essential warning sign helps improve road safety by notifying motorists to reduce speed and prepare for turning or merging traffic. It is ideal for use on rural roads, high-speed routes, and locations where visibility of the junction is limited.
Manufactured to full compliance with TSRGD Diagram 505.1A, BS EN 12899-1, and the Traffic Signs Manual Chapter 4, this sign is made from premium-grade aluminium or composite materials and finished with RA2 or R3B reflective sheeting to ensure maximum visibility in all lighting and weather conditions.
Available in sizes from 600mm to 1500mm, this warning sign is designed for easy installation using channel fixings, plate-only systems, or self-adhesive options.
🔧 Technical Review
The sign features a bold black T-junction symbol with a left-facing side road, clearly displayed on a white background and enclosed by a high-visibility red triangular border. Its UV-stable, corrosion-resistant finish ensures long-term durability and legibility.
✅ Why Choose Morelock for Your Diagram 505.1A 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:
• Rural and high-speed roads with left-side T-junctions
• Locations with limited visibility at approaching junctions
• Private roads connecting to main carriageways
• Road safety improvement projects
• Traffic calming and hazard warning schemes
🌟 Summary (Why You Should Buy This Product)
• ✅ Official UK warning sign for left-side T-junctions
• ✅ Fully compliant with Diagram 505.1A, BS EN 12899-1, and Chapter 8
• ✅ High-visibility reflective options for day and night use
• ✅ UV-stable, weather-resistant, and long-lasting construction
• ✅ Buy direct from the manufacturer with free UK delivery and fast dispatch
| Feature | Details |
|---|---|
| Product Name | T-Junction Ahead Warning Sign |
| Diagram Number | 505.1A |
| 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 505.1A, BS EN 12899-1, Chapter 8 |
📌 Related Permanent Traffic Signs
🛠 Permanent Installation Services
Professional permanent traffic sign installation across the UK
📚 Government Guidance
| Facing Type | Warranty Duration |
|---|---|
| RA1 | 7 years |
| R2/RA2 | 10 years |
| R3B/R3C | 12 years |
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