Hump Bridge Ahead Warning Sign – Diagram 528 | Permanent UK Traffic Sign

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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.

If the product offers variations, Choose an option from each row:

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Hump Bridge Ahead Warning Sign – Diagram 528 | Permanent UK Traffic Sign

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.

🔧 Technical Review

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.

✅ Why Choose Morelock for Your Diagram 528 Sign?

✔️ 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

📌 Ideal For:

• 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

🌟 Summary (Why You Should Buy This Product)

• ✅ 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

📊 Product Specifications Table

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

🔗 Useful Road Sign Resources

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

The reflective materials used are weather resistant and designed for outdoor application. The range consists of three classes including RA1, R2/RA2, and R3B/R3C. The outdoor service life for each class of material is as follows: