Road Narrows on Both Sides Sign – Diagram 516 | Permanent UK Traffic Sign

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Warning sign – alerts drivers that the road ahead narrows from both sides, requiring caution and potential lane adjustments.

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⚠️ Road Narrows on Both Sides Sign – Diagram 516 | Permanent UK Traffic Sign

It is an official UK warning sign used to inform motorists that the road ahead will narrow from both sides. This sign is essential for road safety and traffic management, ensuring that drivers reduce speed, adjust their road positioning, and prepare for potential merging situations. It is fully TSRGD-compliant and is commonly installed on rural roads, highways, bridges, and construction zones where lane width is restricted.

📍 Where is the Road Narrows on Both Sides Sign Used?

This sign is strategically placed in locations where lane narrowing from both sides may impact traffic flow and require increased driver awareness:

Rural roads where natural terrain reduces lane width.
Highways and A-roads with lane constrictions.
Bridges and tunnels where space is restricted.
Construction areas where temporary narrowing occurs.
Urban roads with traffic-calming measures to slow vehicles.

By warning drivers of the upcoming road change, this sign helps prevent sudden braking, lane departure incidents, and side-swipe collisions.

⚠️ Ensuring Safe Navigation on Narrow Roads

The Road Narrows on Both Sides Sign (Diagram 516) improves road safety by:

✅ Alerting drivers to an upcoming narrowing of the road on both sides.
✅ Encouraging reduced speeds and increased awareness of road positioning.
✅ Preventing last-minute lane changes and dangerous overtaking attempts.
✅ Ensuring compliance with UK road safety regulations.

With its clear triangular warning design, featuring a narrowing road symbol, this sign provides instant recognition for motorists approaching a lane reduction.

📏 Highly Visible, Durable & Weather-Resistant

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

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

🛠 Easy Installation & Multiple Size Options

The Road Narrows on Both Sides Sign (Diagram 516) is available in various standard UK road sign sizes and materials, making it suitable for different road environments.

✔️ Pre-drilled holes for quick and secure installation.
✔️ Multiple size options for highways, rural roads, and urban areas.
✔️ Compatible with post-mounting systems for secure setup.

✅ Why Choose This Sign?

✔️ Official UK warning sign for road narrowing on both sides.
✔️ Highly visible & reflective for enhanced road safety.
✔️ Weatherproof & durable for outdoor use.
✔️ Prevents confusion & improves driver awareness.
✔️ Fully compliant with TSRGD UK traffic regulations.

📌 Summary

Road Narrows on Both Sides Sign (Diagram 516) alerts drivers to an upcoming road narrowing from both sides.
Encourages caution, lower speeds, and safer road positioning.
Highly visible, durable, and weatherproof for outdoor use.
Ideal for rural roads, highways, and areas with restricted lane width.
Fully compliant with TSRGD UK traffic sign regulations.

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Driving rules

The reflective materials used are weather resistant and designed for outdoor application. The range consists of three classes including RA1, R2/RA2, and R3B/R3C. The outdoor service life for each class of material is as follows: