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Stop Police Sign – Diagram 633. Mandatory stop sign used by police or traffic wardens. Ensures legal compliance at checkpoints and temporary controls. High visibility and durable design.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The Stop Police Sign – Diagram 633 is a mandatory UK temporary traffic sign used to enforce an immediate halt to vehicular traffic when displayed by a police officer, constable, or traffic warden. Featuring the bold words “STOP POLICE” within a red circular border and horizontal black bar, the sign commands compliance in controlled zones such as checkpoints, events, or road incidents.
Compliant with TSRGD Diagram 633 and legal enforcement protocols, this sign is an essential tool for law enforcement, security services, and event organisers managing live traffic. It ensures clear, unmistakable instructions to all drivers when used in accordance with police powers or traffic warden directives.
Produced in RA1 and RA2 reflective grades, it is available in various sizes and made using substrates such as Zintec, GRP, composite board, 3mm RA1 plastic, 5mm RA2 plastic, and self-adhesive vinyl. Mounting options include plate-only, riveted frame, quick-fit, or sticker-based application.
Diagram 633 is deployed during stop-checks, policing operations, vehicle inspections, or emergency incidents where authorities need to control or filter road traffic. The sign is recognised and enforced under UK traffic law and is most effective when paired with police presence or wardens on foot or in vehicles.
✔️ Fully compliant with TSRGD Diagram 633
✔️ Clear “STOP POLICE” message for driver compliance
✔️ Available in RA1 and RA2 reflectivity for full visibility
✔️ Tough, lightweight and weatherproof materials
✔️ Ideal for law enforcement, events, and emergency services
✔️ Manufactured in the UK with fast turnaround and delivery
• Police roadblocks and checkpoints
• Traffic warden control zones
• Public events with controlled vehicle access
• Emergency services operations
• Temporary vehicle inspection points
• ✅ Official Stop Police Sign – Diagram 633
• ✅ Used for law enforcement and public safety control
• ✅ Enforces driver compliance under legal authority
• ✅ Chapter 8 compatible and instantly recognisable
• ✅ Built for durability, visibility, and quick deployment
| Feature | Details |
|---|---|
| Product Name | Stop Police Sign |
| Diagram Number | 633 |
| Reflective Class (Facing) | RA1 (low speed), RA2 (high speed) |
| Mounting Options | Plate-only, Riveted in Frame, Quick Fit, Self-Adhesive (stickers only) |
| Material (Substrate) | Zintec, GRP, Composite, 3mm Plastic (RA1), 5mm Plastic (RA2), Stickers |
| Available Sizes (mm) | 450, 600, 750, 900 |
| Compliance | TSRGD Diagram 633, Chapter 8 |
| Section | Link & Description |
|---|---|
| 🛒 Shop Enforcement Signs | Browse all traffic control and enforcement signs |
| 📞 Get a Quote | Request pricing for Diagram 633 or other signs |
| 📚 Regulations & Compliance | Traffic Signs Manual (GOV.UK) |
| Weight | 3.9 kg |
|---|---|
| Facing | RA1 (Low Speed), RA2 (High Speed) |
| Substrate | Aluminium, Composite, Stickers, 3mm Plastic, 5mm Plastic, GRP, Zintec |
| Fixing | Cone Mounted, Quick-Fit, Riveted in Frame, Plate Only, Self-Adhesive |
| Size (mm) | 600, 750, 900, 1200, 1500, 1500-Hinged Folding |
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