Road Sign A42 – “Caution! Reduced Visibility”

Road sign A42 warns drivers that they are entering a section of road where visibility is reduced due to fog, smoke, dust, heavy rain, or snow.

Its main purpose is to alert drivers to slow down, turn on their lights, and maintain a greater following distance to avoid collisions and ensure safety in limited-visibility conditions.

This sign is typically placed before fog-prone or weather-affected areas, such as mountain passes, valleys, bridges, or riverside roads.

Specifications:

• Shape: Equilateral triangle

• Background: White

• Border: Red

• Symbol: Black car with wavy lines indicating fog

• Dimensions: 700 mm / 900 mm / 1100 mm

• Material: Aluminum 1.5–2 mm

• Reflective Coating: RA1 / RA2 / RA3

• Durability: UV-protected, waterproof, corrosion-resistant

Sign A42 plays a vital role in preventing accidents in low-visibility areas, ensuring driver awareness and road safety under adverse weather conditions.