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Straight Ahead Only Sign – Diagram 606C. UK traffic sign instructing vehicles to continue forward without turning. Used at junctions, one-way systems, and construction sites. Available in multiple circular sizes from 300mm to 1500mm with RA2 or R3B reflectivity.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Straight Ahead Only Sign – Diagram 606C is a UK regulatory traffic sign used to instruct drivers that they must proceed straight ahead. As a part of the mandatory instruction sign family, this sign is legally enforceable and vital for maintaining directional flow at junctions, construction diversions, and controlled road environments.
Fully compliant with TSRGD Diagram 606C, BS EN 12899-1, and Chapter 3 of the Traffic Signs Manual, this sign is a blue circular disc featuring a bold, upward-pointing white arrow. It’s designed for instant recognition and optimal visibility, guiding all vehicle classes including HGVs, public transport, and private vehicles.
Manufactured in the UK using RA2 or R3B reflective sheeting, it is available in all standard circular sizes from 300mm to 1500mm. Backing materials include aluminium, composite, or self-adhesive vinyl, with mounting options such as channel rails, plate-only, or adhesive fixings.
Diagram 606C enforces straight-ahead-only travel. It is typically installed at T-junctions, split carriageways, and traffic-controlled intersections to prevent turning or illegal diversions. Its bold white arrow and circular blue background denote a regulatory instruction, mandatory for all road users.
✔️ Fully compliant with TSRGD Diagram 606C, BS EN 12899-1, and Chapter 8
✔️ Reflective RA2 or R3B finish for maximum visibility
✔️ Available in aluminium, composite, or vinyl sticker format
✔️ Offered in 300mm to 1500mm circular sizes
✔️ Mounting options: channel rail, plate-only, or self-adhesive
✔️ Fast UK delivery direct from trusted manufacturer
• Controlled intersections and traffic systems
• Temporary works or construction sites
• Car park exit points and depot layouts
• One-way access roads
• Urban transport enforcement zones
• ✅ UK-compliant regulatory traffic sign
• ✅ Enforces straight-ahead driving only
• ✅ High-visibility reflective face
• ✅ Multiple sizes and substrates available
• ✅ Manufactured in the UK with rapid dispatch
| Feature | Details |
|---|---|
| Product Name | Straight Ahead Only Sign |
| Diagram Number | 606C |
| Reflective Class (Facing) | RA2, R3B |
| Mounting Options | Channel, Plate-only, Self-Adhesive |
| Material (Substrate) | Aluminium, Composite, Stickers |
| Available Sizes (mm) | 300, 450, 600, 750, 900, 1200, 1500 |
| Compliance | TSRGD Diagram 606C, BS EN 12899-1, Chapter 8 |
| Section | Link & Description |
|---|---|
| 🛒 Shop Permanent Signs | Explore all Chapter 8 compliant road signs – reflective and compliant |
| 📏 Circular Sign Sizes | Available in 300mm to 1500mm sizes – fast UK delivery |
| 🚧 Permanent Installation Options | Nationwide UK installation and fixings service |
| 📞 Get a Road Sign Quote | Request pricing for bespoke orders or bulk quantities |
| 📚 Government Guidance | View Highway Code Rules for Permanent Signs |
| Weight | 4.9 kg |
|---|---|
| Facing | RA2, R3B |
| Substrate | Aluminium, Composite, Stickers |
| Fixing | Channel, Plate Only, Self-Adhesive |
| Size (mm) | 300, 450, 600, 750, 900, 1200, 1500 |
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