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End of 30 MPH Minimum Speed Limit Sign – Diagram 673. UK road sign indicating cancellation of a minimum 30mph requirement. Used at tunnel exits and managed traffic zones.
Professional design, supply, and installation of all types of traffic signs across the UK.
Learn More 🚀The End of 30 MPH Minimum Speed Limit Sign – Diagram 673 is a UK regulatory traffic sign that signifies the cancellation of a previously enforced minimum speed requirement. Featuring a white “30” on a blue circular background with a bold red diagonal slash, this sign informs drivers they are no longer required to maintain a minimum speed of 30 miles per hour.
This sign is fully compliant with TSRGD Diagram 673 and specified in Chapter 3 of the Traffic Signs Manual. It’s commonly used after tunnels, managed lanes, and special-use carriageways where a minimum speed was previously enforced.
Constructed using RA1 and RA2 reflective materials, the sign is available in various sizes and manufactured from durable Zintec, GRP, composite board, 3mm or 5mm plastic, or self-adhesive vinyl. It can be supplied as plate-only, riveted in a frame, quick-fit, or sticker-based, depending on your installation needs.
Diagram 673 is used to clearly indicate that a legal minimum speed restriction has ended. It is frequently deployed at tunnel exits, the end of dynamic motorway speed control zones, or specialist traffic management areas.
✔️ Fully compliant with TSRGD and Chapter 3
✔️ RA1 and RA2 reflective finishes for high visibility
✔️ Perfect for tunnels, smart motorway exits, and managed lanes
✔️ Durable, weatherproof UK-made construction
✔️ Wide range of sizes and mounting formats
✔️ Ideal for councils, contractors, and infrastructure firms
• End of tunnel minimum speed zones
• Smart motorways and managed lanes
• Specialist speed-controlled road networks
• Infrastructure and public safety schemes
• National speed transition zones
• ✅ End of 30 MPH Minimum Speed Limit – Diagram 673
• ✅ Official UK sign to cancel minimum speed requirement
• ✅ RA1 & RA2 reflective options for safety and clarity
• ✅ Available in 300mm–1500mm sizes
• ✅ Trusted by councils and major UK contractors
| Feature | Details |
|---|---|
| Product Name | End of 30 MPH Minimum Speed Limit Sign |
| Diagram Number | 673 |
| Reflective Class (Facing) | RA1 (urban), RA2 (high performance) |
| Mounting Options | Plate-only, Riveted Frame, Quick Fit, Self-Adhesive |
| Material (Substrate) | Zintec, GRP, Composite, 3mm Plastic, 5mm Plastic, Stickers |
| Available Sizes (mm) | 300, 450, 600, 750, 900, 1200, 1500 |
| Compliance | TSRGD Diagram 673, Chapter 3 |
| Section | Link & Description |
|---|---|
| 🛒 Shop Minimum Speed Signs | Browse blue circular and end-of-speed-limit signs |
| 📏 Size Options | See available sign sizes |
| 🧰 Mounting Guide | Explore mounting and installation systems |
| 📞 Get a Quote | Request pricing for Diagram 673 |
| 📚 Regulations & Guidance | Traffic Signs Manual – GOV.UK |
| Weight | 4.9 kg |
|---|---|
| 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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