! - Road Traffic - Exclamation Symbol - Class RA1 - Temporary - Safety Signs by Caledonia Signs

A "!" Road Traffic – Exclamation Symbol – Class RA1 – Temporary sign is used to indicate a general warning to drivers that they are approaching a temporary hazard or unusual condition not covered by a specific road sign. The exclamation mark symbol is a standard, universal way of signaling caution and alerting road users to pay extra attention to the road ahead. Its Class RA1 designation means the sign is made to a high standard of reflectivity, ensuring visibility in low-light or adverse weather conditions—essential for temporary traffic management.

This type of sign is commonly used at construction sites, roadworks, temporary detours, or accident scenes where specific dangers (like loose gravel, temporary road surfaces, or changes in road layout) may be present but do not fall under existing warning signs. It is also used when maintenance work or emergency conditions create unexpected driving challenges.

The sign's purpose is to prompt caution. Since the exclamation mark doesn’t describe the hazard itself, it relies on drivers being alert and looking for more information or reacting to the road environment. Often, it is used in combination with other signs or placed ahead of a specific risk area to give drivers time to slow down or adjust their behaviour accordingly.

In summary, a "!" – Class RA1 – Temporary sign is an important, versatile safety tool in temporary traffic control. It is placed where drivers need to be especially cautious due to unspecified or uncommon hazards, ensuring better awareness and helping to reduce the risk of accidents in unpredictable or changing road conditions.

Materials Explained

Any product outside of our standard choice of material/size range starts with a 5. This may include items such as rolls of tape, sign frames, floor graphics or banners. Below you can find a more detailed description of the miscellaneous material options available for this sign design.

Class RA1: Manufactured from 3mm aluminium composite with an engineering grade retroreflective sheeting to ensure visibility during day and night. This reflective layer helps headlights bounce light back to drivers, making the sign readable in low-light conditions and offers approximately a 7 years lifespan. Aluminium composite is a lightweight, durable material which holds no scrappage value - reducing the potential for theft. It is weather and rust resistant - overall, RA1 signs are designed to be durable, weatherproof, and highly visible to ensure the safety of road users around temporary worksites.