Road Sign A40 – “Caution! Accident-Prone Area”

Road sign A40 is a warning sign that alerts drivers they are approaching a road section with a high frequency of traffic accidents. It serves to increase driver awareness and encourage careful, defensive driving.

This sign advises motorists to reduce their speed, maintain a safe following distance, and stay alert for unexpected dangers.

It is commonly placed before curves, intersections, or areas with poor visibility, uneven surfaces, or intense traffic, where accidents are statistically more likely to occur.

Specifications:

• Shape: Equilateral triangle

• Background: White

• Border: Red

• Symbol: Black car with collision mark

• Dimensions:

  • 700 mm – urban areas

  • 900 mm – rural roads

  • 1100 mm – highways

• Material: Aluminum 1.5–2 mm

• Reflective Coating: RA1 / RA2 / RA3

• Durability: UV protection, waterproof, corrosion-resistant

Sign A40 plays an essential role in road safety, reminding drivers to proceed with extra caution in areas where accidents are known to occur.