Agricultural Vehicles Likely to Be in Road Ahead Warning Sign – Diagram 553.1 | Permanent UK Traffic Sign
The Agricultural Vehicles Likely to Be in Road Ahead Warning Sign – Diagram 553.1 is an essential UK traffic sign used to inform drivers of the possible presence of slow-moving farm machinery, such as tractors and harvesters, on rural and country roads. It encourages road users to reduce speed and proceed with caution in areas where agricultural activity intersects with public highways.
Fully compliant with TSRGD Diagram 553.1, BS EN 12899-1, and Chapter 4 of the Traffic Signs Manual, this sign is manufactured using durable aluminium, composite, or adhesive-backed substrates, and is finished in RA2 or R3B high-reflectivity material for day and night visibility in all UK weather conditions.
The sign is available in all standard triangular sizes — 450mm, 600mm, 750mm, 900mm, 1200mm, and 1500mm — and can be supplied with channel fixings, plate-only, or self-adhesive backing, allowing for both permanent and temporary installations.
🔧 Technical Review
This sign features a bold black tractor silhouette inside a red-bordered triangle. Its clear visual design offers fast driver recognition of agricultural traffic risk, especially important on narrow or winding roads where sight lines may be obstructed.
✅ Why Choose Morelock for Your Diagram 553.1 Sign?
✔️ Fully compliant with TSRGD, BS EN 12899-1, and Chapter 8
✔️ High-grade RA2 or R3B reflective finish
✔️ All six UK-standard triangle sizes available
✔️ Built with aluminium, composite, or sticker substrates
✔️ Supplied with multiple mounting options
✔️ Manufactured and delivered quickly across the UK
📌 Ideal For:
• Country roads and farm lanes
• Areas near agricultural estates and machinery depots
• Villages and hamlets with high tractor traffic
• Rural infrastructure routes used by slow vehicles
• Temporary warning during harvesting or planting seasons
🌟 Summary (Why You Should Buy This Product)
• ✅ Official UK sign to warn of slow-moving agricultural vehicles
• ✅ Diagram 553.1 compliant and suitable for rural road safety
• ✅ Reflective, weather-resistant and available in all sizes
• ✅ Made in the UK for rapid nationwide shipping
📊 Product Specifications Table
Feature | Details |
---|---|
Product Name | Agricultural Vehicles in Road Warning Sign |
Diagram Number | 553.1 |
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 553.1, 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 |