Double Bend Ahead Warning Sign – Diagram 513A | Permanent UK Traffic Sign
The Double Bend Ahead Warning Sign – Diagram 513A is a permanent UK traffic sign used to alert drivers that they are approaching two successive bends, with the first bend to the left. Commonly installed in rural and winding routes, this warning sign improves road safety by encouraging drivers to slow down and prepare for tight, consecutive curves.
Fully compliant with TSRGD Diagram 513A, BS EN 12899-1, and Chapter 4 of the Traffic Signs Manual, this sign is made from weather-resistant aluminium or composite materials, and finished in RA2 or R3B reflective sheeting for superior day and night visibility.
It is available in standard sizes from 600mm to 1500mm, with installation options including channel fixing rails, plate-only, or self-adhesive formats, suitable for both permanent and temporary highway applications.
🔧 Technical Review
The sign features a bold black double-bend arrow, beginning with a left curve followed by a right, framed in a red-bordered triangle. This highly recognisable symbol ensures quick driver comprehension and enhances hazard awareness.
✅ Why Choose Morelock for Your Diagram 513A Sign?
✔️ Officially compliant with TSRGD and Chapter 8 standards
✔️ Reflective sheeting options: RA2 or R3B
✔️ Built using durable aluminium or composite materials
✔️ Size range: 600mm, 750mm, 900mm, 1200mm, 1500mm
✔️ Mounting: Channel, Plate-only, Self-Adhesive
✔️ Manufactured in the UK with free and fast delivery
📌 Ideal For:
• Winding or narrow rural roads
• Areas with multiple sharp curves
• Temporary roadwork zones and diversion routes
• Local authority road safety programmes
• Dangerous or accident-prone bends
🌟 Summary (Why You Should Buy This Product)
• ✅ UK-standard warning for two consecutive bends, first to the left
• ✅ Fully compliant with TSRGD Diagram 513A
• ✅ High-visibility reflective finish
• ✅ Multiple materials and mounting options available
• ✅ Fast UK delivery, direct from the manufacturer
📊 Product Specifications Table
Feature | Details |
---|---|
Product Name | Double Bend Ahead Warning Sign |
Diagram Number | 513A |
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 513A, BS EN 12899-1, Chapter 8 |
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