Road Narrows on Both Sides Sign (High Speed) – Diagram 516 | Temporary UK Traffic Sign

🚧 Road Narrows on Both Sides Sign (High Speed) – Diagram 516 | Temporary UK Traffic Sign

The Road Narrows on Both Sides Sign (Diagram 516) is a temporary UK traffic sign used to warn drivers that the road ahead will become narrower on both sides. This sign is crucial for ensuring motorists adjust their speed and lane positioning, reducing the risk of collisions in constricted areas.

With its high-visibility triangular design, red border, and black narrowing road symbol, this sign provides clear and immediate guidance to help drivers maintain a safe lane position and avoid sudden swerving. Fully TSRGD-compliant, it is commonly used in roadworks, narrow bridges, rural roads, and temporary lane reductions where road width restrictions may affect vehicle movement.

⚠️ Prevents Lane Encroachment & Improves Traffic Safety

This Road Narrows on Both Sides Sign (High Speed) – Diagram 516 plays a crucial role in minimizing risks in narrowing road conditions by ensuring that drivers are prepared to maintain safe lane discipline.

✅ Warns drivers that the road narrows on both sides ahead
✅ Encourages careful lane positioning and speed reduction
✅ Prevents last-minute lane changes and side collisions
✅ Improves traffic flow by reducing congestion in narrowing zones

By providing an early warning, this sign helps create safer driving conditions, ensuring that vehicles stay within their lane and approach narrowing sections cautiously.

📏 Highly Visible, Durable & Weather-Resistant

Designed for temporary use in roadwork zones, narrow bridges, and lane reduction areas, this official UK road sign ensures maximum durability and visibility in all environments.

✔️ Bold triangular shape with a clear narrowing road symbol for instant recognition
✔️ Retroreflective surface ensures high visibility in low-light and night-time conditions
✔️ Weatherproof and corrosion-resistant materials for long-lasting outdoor use
✔️ TSRGD-compliant, ensuring it meets UK road safety regulations

These features ensure motorists can quickly recognize and respond to road narrowing conditions, preventing panic braking or sudden swerving.

🛠 Quick Installation & Portable Design

The Road Narrows on Both Sides Sign (Diagram 516) is lightweight and easy to install, making it ideal for temporary traffic control and lane narrowing zones.

✔️ Portable and quick to set up for roadwork teams and traffic control crews
✔️ Compatible with standard traffic sign frames and stands
✔️ Available in multiple sizes to suit different road conditions and visibility needs
✔️ Ideal for roadworks, narrow bridges, and temporary lane reductions

With fast deployment and repositioning, this sign ensures efficient traffic management and helps drivers prepare for road narrowing on both sides.

✅ Why Choose Road Narrows on Both Sides Sign (High Speed) – Diagram 516?

✔️ Official UK traffic sign for road narrowing on both sides
✔️ Highly visible & reflective for enhanced driver awareness
✔️ Weatherproof & durable for outdoor use in all conditions
✔️ Lightweight & portable for quick setup and removal
✔️ Prevents confusion & ensures smooth traffic flow in narrowing areas
✔️ Fully compliant with UK TSRGD temporary traffic sign regulations

📌 Summary

• Road Narrows on Both Sides Sign – Diagram 516 is a temporary UK traffic sign warning drivers of a narrowing road ahead on both sides.
• Essential for roadworks, lane adjustments, and bridge crossings, ensuring clear guidance for motorists.
• Highly visible, lightweight, and weather-resistant, ensuring long-term effectiveness in all conditions.
• Easy to set up and relocate, making it ideal for construction sites and temporary traffic control zones.
• Manufactured to TSRGD standards, ensuring full compliance with UK road safety regulations.

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Additional resources:

Driving rules

• The Highway Code
• Legal obligations of drivers and riders