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Hump Bridge Ahead Warning Sign – Diagram 528. Warns drivers of an upcoming humpback bridge. Available in multiple sizes and reflective options.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Hump Bridge Ahead Warning Sign – Diagram 528 is a triangular UK road sign used to alert drivers of a raised hump bridge on the route ahead. Often located in rural areas or near waterways, this sign helps drivers prepare for abrupt changes in road elevation, reducing the risk of accidents and protecting vehicles from underbody damage.
This permanent traffic sign complies with TSRGD Diagram 528, BS EN 12899-1, and Chapter 4 of the Traffic Signs Manual. Manufactured from durable aluminium or composite materials, it is finished in RA2 or R3B reflective sheeting for high visibility in all lighting and weather conditions.
Available in all standard UK triangle sign sizes — 450mm, 600mm, 750mm, 900mm, 1200mm, and 1500mm — this sign can be installed using channel fixings, plate-only options, or self-adhesive backing, making it ideal for both permanent and temporary traffic schemes.
The sign features a bold black arch, centrally placed within a red-bordered triangle. This simplified graphic effectively communicates the presence of a raised hump bridge ahead, enabling drivers to adjust speed and approach with caution.
✔️ Fully TSRGD, Chapter 8, and BS EN 12899-1 compliant
✔️ High-visibility RA2 or R3B reflective sheeting
✔️ Robust aluminium or composite construction
✔️ Available in six UK-standard triangle sizes
✔️ Compatible with channel, plate-only, or adhesive fixings
✔️ Free UK delivery and fast turnaround from manufacturer
• Roads approaching hump bridges or narrow canal crossings
• Rural and agricultural routes with historic structures
• Bridge safety awareness in reduced visibility zones
• Areas with restricted bridge clearance
• Temporary diversions using hump bridges
• ✅ Official UK road sign for warning of hump bridges
• ✅ Compliant with Diagram 528 and BS EN 12899-1
• ✅ Highly reflective for low-light and night-time visibility
• ✅ Available in six standard sizes
• ✅ Built for UK road safety and dispatched directly
| Feature | Details |
|---|---|
| Product Name | Hump Bridge Ahead Warning Sign |
| Diagram Number | 528 |
| Reflective Class (Facing) | RA2, R3B |
| Mounting Options | Channel, Plate-only, Self-Adhesive |
| Material (Substrate) | Aluminium, Composite, Stickers |
| Available Sizes (mm) | 450, 600, 750, 900, 1200, 1500 |
| Compliance | TSRGD Diagram 528, BS EN 12899-1, Chapter 8 |
| Section | Link & Description |
|---|---|
| 🛒 Shop Permanent Signs | Explore all Chapter 8 compliant road signs – reflective and compliant |
| 📏 Standard Triangle Sign Sizes | Choose from 450mm, 600mm, 750mm, 900mm, 1200mm & 1500mm – fast delivery |
| 🚧 Permanent Installation Options | Mounting posts, fixings, and installation services across the UK |
| 📞 Get a Road Sign Quote | Request pricing for bulk orders or custom specifications |
| 📚 Government Guidance | Safety at Street Works – Official Code of Practice (PDF) The Highway Code – UK traffic signage rules and standards |
| Weight | N/A |
|---|---|
| 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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