40 MPH Minimum Speed Limit Sign – Diagram 672V40 | Permanent UK Traffic Sign

🔵 40 MPH Minimum Speed Limit Sign – Diagram 672V40 | Permanent UK Traffic Sign

It is a mandatory UK traffic sign that enforces a minimum speed of 40 miles per hour. Unlike maximum speed limit signs, this sign ensures that vehicles do not travel below the specified speed, preventing congestion and maintaining efficient traffic movement. It is fully compliant with TSRGD regulations and is commonly used on high-speed roads, motorways, and tunnels where keeping a steady speed is essential for safety.

📍 Where is the 40 MPH Minimum Speed Limit Sign Used?

This sign is typically installed in locations where maintaining a consistent speed is crucial for road safety and traffic efficiency:

• Motorways and major dual carriageways to prevent slow-moving vehicles from disrupting traffic
• Tunnels and underpasses where congestion risks need to be minimized
• High-speed urban roads where delays must be avoided
• Bridges and elevated roads to maintain steady traffic movement
• Sections of highways with increased merging traffic

By enforcing a minimum 40 MPH speed, this sign helps reduce traffic bottlenecks, prevent sudden braking, and ensure vehicles travel at a consistent pace.

⚠️ Preventing Slow Traffic & Ensuring Smooth Flow

The 40 MPH Minimum Speed Limit Sign (Diagram 672V40) plays a vital role in:

✅ Preventing slow-moving vehicles from causing congestion and accidents
✅ Improving traffic efficiency by keeping vehicles moving at a safe, steady pace
✅ Ensuring compliance with UK road regulations for high-speed routes
✅ Reducing traffic conflicts caused by slow drivers in fast-moving lanes

With its bold white speed limit number on a blue circular background, this sign serves as a clear instruction for drivers to maintain the required speed.

📏 Highly Visible, Durable & Weather-Resistant

This official UK speed regulation sign is designed for long-term outdoor use, ensuring maximum visibility and durability in all conditions.

✔️ Retroreflective surface for clear visibility in day and night conditions
✔️ Weatherproof and corrosion-resistant materials for long-lasting performance
✔️ TSRGD-compliant – fully meets UK road safety regulations

🛠 Easy Installation & Multiple Size Options

The 40 MPH Minimum Speed Limit Sign  is available in various standard UK road sign sizes and materials to suit different environments.

✔️ Pre-drilled holes for quick and secure installation
✔️ Available in multiple sizes for highways, tunnels, and major roads
✔️ Compatible with post-mounting systems for easy setup

✅ Why Choose This Sign?

✔️ Official UK traffic sign for minimum speed regulation
✔️ Highly visible & reflective for maximum safety compliance
✔️ Weatherproof & durable for long-term outdoor use
✔️ Prevents slow-moving traffic & enhances road efficiency
✔️ Fully compliant with UK TSRGD traffic regulations

📌 Summary

• 40 MPH Minimum Speed Limit Sign – Diagram 672V40 enforces a minimum travel speed of 40 mph.
• Prevents slow-moving vehicles from causing traffic delays and congestion.
• Highly visible, durable & weatherproof for long-term outdoor use.
• Ideal for motorways, dual carriageways, tunnels, and high-speed routes.
• Fully compliant with TSRGD UK traffic sign regulations.

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Additional resources:

Driving rules

• The Highway Code
• Legal obligations of drivers and riders