🚦 Traffic Under Signal Control Sign – Diagram 7021 | Temporary UK Traffic Sign

The Traffic Under Signal Control Sign (Diagram 7021) is an essential temporary UK traffic sign used to inform drivers that traffic ahead is being regulated by portable traffic signals. This sign is commonly deployed in roadworks, construction zones, and temporary traffic management areas to ensure safe and organised vehicle movement.

Manufactured to UK Department for Transport (DfT) standards, this sign is fully compliant with TSRGD regulations. Featuring bold white text with directional arrows on a red background, it ensures maximum visibility, making it easy for drivers to understand the traffic situation ahead. This sign is crucial for preventing confusion, reducing congestion, and maintaining road safety.

⚠️ Essential for Traffic Management & Road Safety

The Sign plays a key role in keeping traffic flowing safely through controlled areas. This sign helps by:

✅ Alerting drivers that temporary signals are in place ahead
✅ Preventing confusion and reducing sudden stops or lane changes
✅ Ensuring smooth and organised traffic flow during roadworks
✅ Improving safety for both motorists and roadworkers

By clearly indicating that portable traffic signals are in operation, this sign helps drivers approach with caution and follow the signal system effectively.

📏 High-Quality, Durable & Weather-Resistant

Designed for temporary road use, this sign is made from high-quality materials to withstand various weather conditions and ensure long-lasting performance.

✔️ Highly reflective surface for enhanced visibility day and night
✔️ Weatherproof and corrosion-resistant materials for extended durability
✔️ Manufactured to TSRGD standards for full compliance with UK traffic regulations

🛠 Easy Installation & Multiple Size Options

The Sign is available in various sizes and materials, making it suitable for different roadwork setups and controlled traffic zones.

✔️ Available in multiple standard UK road sign sizes
✔️ Lightweight and easy to transport for quick setup
✔️ Compatible with post-mounting and temporary sign frames
✔️ Ideal for roadworks, construction zones, and temporary traffic control areas

✅ Why Choose This Sign?

✔️ Official UK traffic sign for signal-controlled traffic zones
✔️ Highly visible & reflective for maximum road safety
✔️ Weatherproof & durable for temporary outdoor use
✔️ Prevents driver confusion and improves traffic efficiency
✔️ Fully compliant with UK TSRGD traffic regulations

📌 Summary

🚦 Traffic Under Signal Control Sign – Diagram 7021 informs drivers that portable traffic signals are in use ahead.
⚠️ Essential for roadworks, temporary traffic control, and highway maintenance.
🌟 High-visibility red background with bold white text and directional arrows for clear readability.
🏗️ Prevents sudden stops and enhances road safety.
🛠️ Weatherproof, durable & fully compliant with TSRGD regulations.
🚧 Used in road construction zones, controlled intersections, and maintenance areas.

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Additional resources:

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: